CVE-2022-48651

一、漏洞信息
漏洞编号：CVE-2022-48651
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
CVSS V2.0分值：
BaseScore：0.0 Low
Vector：CVSS：2.0/
漏洞简述：
In the Linux kernel, the following vulnerability has been resolved:ipvlan: Fix out-of-bound bugs caused by unset skb->mac_headerIf an AF_PACKET socket is used to send packets through ipvlan and thedefault xmit function of the AF_PACKET socket is changed fromdev_queue_xmit() to packet_direct_xmit() via setsockopt() with the optionname of PACKET_QDISC_BYPASS, the skb->mac_header may not be reset andremains as the initial value of 65535, this may trigger slab-out-of-boundsbugs as following:=================================================================UG: KASAN: slab-out-of-bounds in ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]PU: 2 PID: 1768 Comm: raw_send Kdump: loaded Not tainted 6.0.0-rc4+ #6ardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33all Trace:print_address_description.constprop.0+0x1d/0x160print_report.cold+0x4f/0x112kasan_report+0xa3/0x130ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]ipvlan_start_xmit+0x29/0xa0 [ipvlan]__dev_direct_xmit+0x2e2/0x380packet_direct_xmit+0x22/0x60packet_snd+0x7c9/0xc40sock_sendmsg+0x9a/0xa0__sys_sendto+0x18a/0x230__x64_sys_sendto+0x74/0x90do_syscall_64+0x3b/0x90entry_SYSCALL_64_after_hwframe+0x63/0xcdThe root cause is: 1. packet_snd() only reset skb->mac_header when sock->type is SOCK_RAW and skb->protocol is not specified as in packet_parse_headers() 2. packet_direct_xmit() doesn t reset skb->mac_header as dev_queue_xmit()In this case, skb->mac_header is 65535 when ipvlan_xmit_mode_l2() iscalled. So when ipvlan_xmit_mode_l2() gets mac header with eth_hdr() whichuse skb->head + skb->mac_header , out-of-bound access occurs.This patch replaces eth_hdr() with skb_eth_hdr() in ipvlan_xmit_mode_l2()and reset mac header in multicast to solve this out-of-bound bug.
漏洞公开时间：2024-04-28 21:15:07
漏洞创建时间：2024-04-28 22:26:41
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2022-48651

更多参考(点击展开)

参考来源	参考链接	来源链接
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/25efdbe5fe542c3063d1948cc4e98abcb57621ca
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/346e94aa4a99378592c46d6a34c72703a32bd5be
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/81225b2ea161af48e093f58e8dfee6d705b16af4
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8d06006c7eb75587d986da46c48ba9274f94e8e7
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ab4a733874ead120691e8038272d22f8444d3638
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b583e6b25bf9321c91154f6c78d2173ef12c4241
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bffcdade259c05ab3436b5fab711612093c275ef
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e2b46cd5796f083e452fbc624f65b80328b0c1a4
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48651	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://www.cve.org/CVERecord?id=CVE-2022-48651	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/25efdbe5fe542c3063d1948cc4e98abcb57621ca	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/346e94aa4a99378592c46d6a34c72703a32bd5be	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/81225b2ea161af48e093f58e8dfee6d705b16af4	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/8d06006c7eb75587d986da46c48ba9274f94e8e7	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/ab4a733874ead120691e8038272d22f8444d3638	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/b583e6b25bf9321c91154f6c78d2173ef12c4241	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/bffcdade259c05ab3436b5fab711612093c275ef	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/stable/c/e2b46cd5796f083e452fbc624f65b80328b0c1a4	https://bugzilla.suse.com/show_bug.cgi?id=1223513
suse_bugzilla	https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48651.mbox	https://bugzilla.suse.com/show_bug.cgi?id=1223513
redhat_bugzilla	https://lore.kernel.org/linux-cve-announce/2024042858-CVE-2022-48651-ac9e@gregkh/T	https://bugzilla.redhat.com/show_bug.cgi?id=2277811
ubuntu	https://www.cve.org/CVERecord?id=CVE-2022-48651	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/linus/81225b2ea161af48e093f58e8dfee6d705b16af4 (6.0-rc7)	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/e2b46cd5796f083e452fbc624f65b80328b0c1a4	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/25efdbe5fe542c3063d1948cc4e98abcb57621ca	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/bffcdade259c05ab3436b5fab711612093c275ef	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/346e94aa4a99378592c46d6a34c72703a32bd5be	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/ab4a733874ead120691e8038272d22f8444d3638	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/8d06006c7eb75587d986da46c48ba9274f94e8e7	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/b583e6b25bf9321c91154f6c78d2173ef12c4241	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://git.kernel.org/stable/c/81225b2ea161af48e093f58e8dfee6d705b16af4	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://nvd.nist.gov/vuln/detail/CVE-2022-48651	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://launchpad.net/bugs/cve/CVE-2022-48651	https://ubuntu.com/security/CVE-2022-48651
ubuntu	https://security-tracker.debian.org/tracker/CVE-2022-48651	https://ubuntu.com/security/CVE-2022-48651
cve_search		https://git.kernel.org/stable/c/e2b46cd5796f083e452fbc624f65b80328b0c1a4
cve_search		https://git.kernel.org/stable/c/25efdbe5fe542c3063d1948cc4e98abcb57621ca
cve_search		https://git.kernel.org/stable/c/bffcdade259c05ab3436b5fab711612093c275ef
cve_search		https://git.kernel.org/stable/c/346e94aa4a99378592c46d6a34c72703a32bd5be
cve_search		https://git.kernel.org/stable/c/ab4a733874ead120691e8038272d22f8444d3638
cve_search		https://git.kernel.org/stable/c/8d06006c7eb75587d986da46c48ba9274f94e8e7
cve_search		https://git.kernel.org/stable/c/b583e6b25bf9321c91154f6c78d2173ef12c4241
cve_search		https://git.kernel.org/stable/c/81225b2ea161af48e093f58e8dfee6d705b16af4

漏洞分析指导链接：
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
漏洞数据来源:
openBrain开源漏洞感知系统
漏洞补丁信息：

详情(点击展开)

影响的包	修复版本	修复补丁	问题引入补丁	来源
linux		https://git.kernel.org/linus/81225b2ea161af48e093f58e8dfee6d705b16af4	https://git.kernel.org/linus/2ad7bf3638411cb547f2823df08166c13ab04269	ubuntu

二、漏洞分析结构反馈
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:ipvlan: Fix out-of-bound bugs caused by unset skb->mac_headerIf an AF_PACKET socket is used to send packets through ipvlan and thedefault xmit function of the AF_PACKET socket is changed fromdev_queue_xmit() to packet_direct_xmit() via setsockopt() with the optionname of PACKET_QDISC_BYPASS, the skb->mac_header may not be reset andremains as the initial value of 65535, this may trigger slab-out-of-boundsbugs as following:=================================================================UG: KASAN: slab-out-of-bounds in ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]PU: 2 PID: 1768 Comm: raw_send Kdump: loaded Not tainted 6.0.0-rc4+ #6ardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33all Trace:print_address_description.constprop.0+0x1d/0x160print_report.cold+0x4f/0x112kasan_report+0xa3/0x130ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]ipvlan_start_xmit+0x29/0xa0 [ipvlan]__dev_direct_xmit+0x2e2/0x380packet_direct_xmit+0x22/0x60packet_snd+0x7c9/0xc40sock_sendmsg+0x9a/0xa0__sys_sendto+0x18a/0x230__x64_sys_sendto+0x74/0x90do_syscall_64+0x3b/0x90entry_SYSCALL_64_after_hwframe+0x63/0xcdThe root cause is: 1. packet_snd() only reset skb->mac_header when sock->type is SOCK_RAW and skb->protocol is not specified as in packet_parse_headers() 2. packet_direct_xmit() doesn t reset skb->mac_header as dev_queue_xmit()In this case, skb->mac_header is 65535 when ipvlan_xmit_mode_l2() iscalled. So when ipvlan_xmit_mode_l2() gets mac header with eth_hdr() whichuse skb->head + skb->mac_header , out-of-bound access occurs.This patch replaces eth_hdr() with skb_eth_hdr() in ipvlan_xmit_mode_l2()and reset mac header in multicast to solve this out-of-bound bug.
openEuler评分：
7.8
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
受影响版本排查(受影响/不受影响)：
1.openEuler-20.03-LTS-SP4(4.19.90):不受影响
2.openEuler-22.03-LTS-SP1(5.10.0):不受影响
3.openEuler-22.03-LTS-SP3(5.10.0):不受影响
4.openEuler-22.03-LTS-SP4(5.10.0):不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS(6.6.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4(4.19.90):否
2.openEuler-22.03-LTS-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.1.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4(5.10.0):否

Hi openeuler-ci-bot, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Kernel, and any of the maintainers.

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issue处理注意事项:
1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;
2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;
3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.

影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响):
1.master(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):
9.openEuler-24.03-LTS:
10.openEuler-24.03-LTS-Next:

修复是否涉及abi变化(是/否)：
1.master(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):
9.openEuler-24.03-LTS:
10.openEuler-24.03-LTS-Next:

issue处理具体操作请参考:
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2022-48651	None	None	https://git.kernel.org/stable/c/346e94aa4a99378592c46d6a34c72703a32bd5be https://git.kernel.org/stable/c/8d06006c7eb75587d986da46c48ba9274f94e8e7 https://git.kernel.org/stable/c/bffcdade259c05ab3436b5fab711612093c275ef https://git.kernel.org/stable/c/b583e6b25bf9321c91154f6c78d2173ef12c4241 https://git.kernel.org/stable/c/e2b46cd5796f083e452fbc624f65b80328b0c1a4 https://git.kernel.org/stable/c/81225b2ea161af48e093f58e8dfee6d705b16af4 https://git.kernel.org/stable/c/ab4a733874ead120691e8038272d22f8444d3638 https://git.kernel.org/stable/c/25efdbe5fe542c3063d1948cc4e98abcb57621ca
https://ubuntu.com/security/CVE-2022-48651	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2022-48651	None	None	https://git.kernel.org/stable/c/346e94aa4a99378592c46d6a34c72703a32bd5be https://git.kernel.org/stable/c/8d06006c7eb75587d986da46c48ba9274f94e8e7 https://git.kernel.org/stable/c/bffcdade259c05ab3436b5fab711612093c275ef https://git.kernel.org/stable/c/b583e6b25bf9321c91154f6c78d2173ef12c4241 https://git.kernel.org/stable/c/e2b46cd5796f083e452fbc624f65b80328b0c1a4 https://git.kernel.org/stable/c/81225b2ea161af48e093f58e8dfee6d705b16af4 https://git.kernel.org/stable/c/ab4a733874ead120691e8038272d22f8444d3638 https://git.kernel.org/stable/c/25efdbe5fe542c3063d1948cc4e98abcb57621ca
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-48651
https://security-tracker.debian.org/tracker/CVE-2022-48651

说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用CVE补丁工具。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

CVE-2022-48651

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header

If an AF_PACKET socket is used to send packets through ipvlan and the
default xmit function of the AF_PACKET socket is changed from
dev_queue_xmit() to packet_direct_xmit() via setsockopt() with the option
name of PACKET_QDISC_BYPASS, the skb->mac_header may not be reset and
remains as the initial value of 65535, this may trigger slab-out-of-bounds
bugs as following:

=================================================================
UG: KASAN: slab-out-of-bounds in ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]
PU: 2 PID: 1768 Comm: raw_send Kdump: loaded Not tainted 6.0.0-rc4+ #6
ardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33
all Trace:
print_address_description.constprop.0+0x1d/0x160
print_report.cold+0x4f/0x112
kasan_report+0xa3/0x130
ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]
ipvlan_start_xmit+0x29/0xa0 [ipvlan]
__dev_direct_xmit+0x2e2/0x380
packet_direct_xmit+0x22/0x60
packet_snd+0x7c9/0xc40
sock_sendmsg+0x9a/0xa0
__sys_sendto+0x18a/0x230
__x64_sys_sendto+0x74/0x90
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd

The root cause is:

packet_snd() only reset skb->mac_header when sock->type is SOCK_RAW
and skb->protocol is not specified as in packet_parse_headers()
packet_direct_xmit() doesn't reset skb->mac_header as dev_queue_xmit()

In this case, skb->mac_header is 65535 when ipvlan_xmit_mode_l2() is
called. So when ipvlan_xmit_mode_l2() gets mac header with eth_hdr() which
use "skb->head + skb->mac_header", out-of-bound access occurs.

This patch replaces eth_hdr() with skb_eth_hdr() in ipvlan_xmit_mode_l2()
and reset mac header in multicast to solve this out-of-bound bug.

openEuler评分:(评分和向量)
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1:受影响
2.openEuler-20.03-LTS-SP4:不受影响
3.openEuler-22.03-LTS:受影响
4.openEuler-22.03-LTS-SP1:不受影响
5.openEuler-22.03-LTS-SP2:不受影响
6.openEuler-22.03-LTS-SP3:不受影响
7.openEuler-22.03-LTS-SP4:不受影响
8.master(6.1.0):不受影响
9.openEuler-22.03-LTS-Next:不受影响
10.openEuler-24.03-LTS:不受影响
11.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS:否
4.openEuler-22.03-LTS-SP1:否
5.openEuler-22.03-LTS-SP2:否
6.openEuler-22.03-LTS-SP3:否
7.master(6.1.0):否
8.openEuler-22.03-LTS-Next:否
9.openEuler-24.03-LTS:否
10.openEuler-24.03-LTS-Next:否
11.openEuler-22.03-LTS-SP4:否

===========================================================

@gatieme ,@xiexiuqi ,@yangyingliang ,@pi3orama ,@jiaoff ,@guo-mengqi
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I9KHGQ
受影响分支: openEuler-20.03-LTS-SP1/openEuler-22.03-LTS
具体操作参考: https://gitee.com/help/articles/4142

CVE-2022-48651

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header

If an AF_PACKET socket is used to send packets through ipvlan and the
default xmit function of the AF_PACKET socket is changed from
dev_queue_xmit() to packet_direct_xmit() via setsockopt() with the option
name of PACKET_QDISC_BYPASS, the skb->mac_header may not be reset and
remains as the initial value of 65535, this may trigger slab-out-of-bounds
bugs as following:

=================================================================
UG: KASAN: slab-out-of-bounds in ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]
PU: 2 PID: 1768 Comm: raw_send Kdump: loaded Not tainted 6.0.0-rc4+ #6
ardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33
all Trace:
print_address_description.constprop.0+0x1d/0x160
print_report.cold+0x4f/0x112
kasan_report+0xa3/0x130
ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]
ipvlan_start_xmit+0x29/0xa0 [ipvlan]
__dev_direct_xmit+0x2e2/0x380
packet_direct_xmit+0x22/0x60
packet_snd+0x7c9/0xc40
sock_sendmsg+0x9a/0xa0
__sys_sendto+0x18a/0x230
__x64_sys_sendto+0x74/0x90
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd

The root cause is:

packet_snd() only reset skb->mac_header when sock->type is SOCK_RAW
and skb->protocol is not specified as in packet_parse_headers()
packet_direct_xmit() doesn't reset skb->mac_header as dev_queue_xmit()

In this case, skb->mac_header is 65535 when ipvlan_xmit_mode_l2() is
called. So when ipvlan_xmit_mode_l2() gets mac header with eth_hdr() which
use "skb->head + skb->mac_header", out-of-bound access occurs.

This patch replaces eth_hdr() with skb_eth_hdr() in ipvlan_xmit_mode_l2()
and reset mac header in multicast to solve this out-of-bound bug.

openEuler评分:(评分和向量)
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1:受影响
2.openEuler-20.03-LTS-SP4:不受影响
3.openEuler-22.03-LTS:受影响
4.openEuler-22.03-LTS-SP1:不受影响
5.openEuler-22.03-LTS-SP2:不受影响
6.openEuler-22.03-LTS-SP3:不受影响
7.openEuler-22.03-LTS-SP4:不受影响
8.master(6.1.0):不受影响
9.openEuler-22.03-LTS-Next:不受影响
10.openEuler-24.03-LTS:不受影响
11.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS:否
4.openEuler-22.03-LTS-SP1:否
5.openEuler-22.03-LTS-SP2:否
6.openEuler-22.03-LTS-SP3:否
7.master(6.1.0):否
8.openEuler-22.03-LTS-Next:否
9.openEuler-24.03-LTS:否
10.openEuler-24.03-LTS-Next:否
11.openEuler-22.03-LTS-SP4:否

===========================================================

@gatieme ,@xiexiuqi ,@yangyingliang ,@pi3orama ,@jiaoff ,@ci-robot
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I9KHGQ
受影响分支: openEuler-20.03-LTS-SP1
具体操作参考: https://gitee.com/help/articles/4142

@gatieme ,@xiexiuqi ,@yangyingliang ,@pi3orama ,@jiaoff ,@zhangjialin11
关闭issue前,需要将受影响的分支在合并pr时关联上当前issue编号: #I9KHGQ
受影响分支: openEuler-20.03-LTS-SP1
具体操作参考: https://gitee.com/help/articles/4142

CVE-2022-48651

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header

If an AF_PACKET socket is used to send packets through ipvlan and the
default xmit function of the AF_PACKET socket is changed from
dev_queue_xmit() to packet_direct_xmit() via setsockopt() with the option
name of PACKET_QDISC_BYPASS, the skb->mac_header may not be reset and
remains as the initial value of 65535, this may trigger slab-out-of-bounds
bugs as following:

=================================================================
UG: KASAN: slab-out-of-bounds in ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]
PU: 2 PID: 1768 Comm: raw_send Kdump: loaded Not tainted 6.0.0-rc4+ #6
ardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33
all Trace:
print_address_description.constprop.0+0x1d/0x160
print_report.cold+0x4f/0x112
kasan_report+0xa3/0x130
ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]
ipvlan_start_xmit+0x29/0xa0 [ipvlan]
__dev_direct_xmit+0x2e2/0x380
packet_direct_xmit+0x22/0x60
packet_snd+0x7c9/0xc40
sock_sendmsg+0x9a/0xa0
__sys_sendto+0x18a/0x230
__x64_sys_sendto+0x74/0x90
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd

The root cause is:

packet_snd() only reset skb->mac_header when sock->type is SOCK_RAW
and skb->protocol is not specified as in packet_parse_headers()
packet_direct_xmit() doesn't reset skb->mac_header as dev_queue_xmit()

In this case, skb->mac_header is 65535 when ipvlan_xmit_mode_l2() is
called. So when ipvlan_xmit_mode_l2() gets mac header with eth_hdr() which
use "skb->head + skb->mac_header", out-of-bound access occurs.

This patch replaces eth_hdr() with skb_eth_hdr() in ipvlan_xmit_mode_l2()
and reset mac header in multicast to solve this out-of-bound bug.

openEuler评分:(评分和向量)
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否

===========================================================

src-openEuler/kernel

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