一、漏洞信息
漏洞编号:CVE-2024-46760
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 V3.0分值:
BaseScore:5.5 Medium
Vector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
漏洞简述:
In the Linux kernel, the following vulnerability has been resolved:wifi: rtw88: usb: schedule rx work after everything is set upRight now it s possible to hit NULL pointer dereference inrtw_rx_fill_rx_status on hw object and/or its fields becauseinitialization routine can start getting USB replies beforertw_dev is fully setup.The stack trace looks like this:rtw_rx_fill_rx_statusrtw8821c_query_rx_descrtw_usb_rx_handler...queue_workrtw_usb_read_port_complete...usb_submit_urbrtw_usb_rx_resubmitrtw_usb_init_rxrtw_usb_probeSo while we do the async stuff rtw_usb_probe continues and callsrtw_register_hw, which does all kinds of initialization (e.g.via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.Fix this by moving the first usb_submit_urb after everythingis set up.For me, this bug manifested as:[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_statusbecause I m using Larry s backport of rtw88 driver with the NULLchecks in rtw_rx_fill_rx_status.
漏洞公开时间:2024-09-18 16:15:04
漏洞创建时间:2024-09-22 10:20:54
漏洞详情参考链接:
https://nvd.nist.gov/vuln/detail/CVE-2024-46760
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:
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:wifi: rtw88: usb: schedule rx work after everything is set upRight now it's possible to hit NULL pointer dereference inrtw_rx_fill_rx_status on hw object and/or its fields becauseinitialization routine can start getting USB replies beforertw_dev is fully setup.The stack trace looks like this:rtw_rx_fill_rx_statusrtw8821c_query_rx_descrtw_usb_rx_handler...queue_workrtw_usb_read_port_complete...usb_submit_urbrtw_usb_rx_resubmitrtw_usb_init_rxrtw_usb_probeSo while we do the async stuff rtw_usb_probe continues and callsrtw_register_hw, which does all kinds of initialization (e.g.via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.Fix this by moving the first usb_submit_urb after everythingis set up.For me, this bug manifested as:[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_statusbecause I'm using Larry's backport of rtw88 driver with the NULLchecks in rtw_rx_fill_rx_status.The Linux kernel CVE team has assigned CVE-2024-46760 to this issue.
openEuler评分:
5.5
Vector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
受影响版本排查(受影响/不受影响):
1.openEuler-24.03-LTS(6.6.0):受影响
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响
6.master(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(6.6.0):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
三、漏洞修复
安全公告链接:https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2219
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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(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(6.6.0):
修复是否涉及abi变化(是/否):
1.master(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(6.6.0):
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-2024-46760 | None | None | https://git.kernel.org/stable/c/adc539784c98a7cc602cbf557debfc2e7b9be8b3 https://git.kernel.org/stable/c/25eaef533bf3ccc6fee5067aac16f41f280e343e https://git.kernel.org/stable/c/c83d464b82a8ad62ec9077637f75d73fe955635a |
https://ubuntu.com/security/CVE-2024-46760 | None | None | https://discourse.ubuntu.com/c/ubuntu-pro |
https://www.opencve.io/cve/CVE-2024-46760 | None | None | https://git.kernel.org/stable/c/adc539784c98a7cc602cbf557debfc2e7b9be8b3 https://git.kernel.org/stable/c/25eaef533bf3ccc6fee5067aac16f41f280e343e https://git.kernel.org/stable/c/c83d464b82a8ad62ec9077637f75d73fe955635a |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2024-46760 | |||
https://security-tracker.debian.org/tracker/CVE-2024-46760 | None | None | https://git.kernel.org/linus/adc539784c98a7cc602cbf557debfc2e7b9be8b3 |
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-2024-46760
影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw88: usb: schedule rx work after everything is set up
Right now it's possible to hit NULL pointer dereference in
rtw_rx_fill_rx_status on hw object and/or its fields because
initialization routine can start getting USB replies before
rtw_dev is fully setup.
The stack trace looks like this:
rtw_rx_fill_rx_status
rtw8821c_query_rx_desc
rtw_usb_rx_handler
...
queue_work
rtw_usb_read_port_complete
...
usb_submit_urb
rtw_usb_rx_resubmit
rtw_usb_init_rx
rtw_usb_probe
So while we do the async stuff rtw_usb_probe continues and calls
rtw_register_hw, which does all kinds of initialization (e.g.
via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.
Fix this by moving the first usb_submit_urb after everything
is set up.
For me, this bug manifested as:
[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped
[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_status
because I'm using Larry's backport of rtw88 driver with the NULL
checks in rtw_rx_fill_rx_status.
The Linux kernel CVE team has assigned CVE-2024-46760 to this issue.
openEuler评分:(评分和向量)
3.9
AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
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
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
状态 | 需分析 | 内容 |
---|---|---|
已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:wifi: rtw88: usb: schedule rx work after everything is set upRight now it's possible to hit NULL pointer dereference inrtw_rx_fill_rx_status on hw object and/or its fields becauseinitialization routine can start getting USB replies beforertw_dev is fully setup.The stack trace looks like this:rtw_rx_fill_rx_statusrtw8821c_query_rx_descrtw_usb_rx_handler...queue_workrtw_usb_read_port_complete...usb_submit_urbrtw_usb_rx_resubmitrtw_usb_init_rxrtw_usb_probeSo while we do the async stuff rtw_usb_probe continues and callsrtw_register_hw, which does all kinds of initialization (e.g.via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.Fix this by moving the first usb_submit_urb after everythingis set up.For me, this bug manifested as:[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_statusbecause I'm using Larry's backport of rtw88 driver with the NULLchecks in rtw_rx_fill_rx_status.The Linux kernel CVE team has assigned CVE-2024-46760 to this issue. |
已分析 | 2.openEulerScore | 3.9 |
已分析 | 3.openEulerVector | AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
已分析 | 4.受影响版本排查 | openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响 |
已分析 | 5.修复是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
CVE-2024-46760
影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw88: usb: schedule rx work after everything is set up
Right now it's possible to hit NULL pointer dereference in
rtw_rx_fill_rx_status on hw object and/or its fields because
initialization routine can start getting USB replies before
rtw_dev is fully setup.
The stack trace looks like this:
rtw_rx_fill_rx_status
rtw8821c_query_rx_desc
rtw_usb_rx_handler
...
queue_work
rtw_usb_read_port_complete
...
usb_submit_urb
rtw_usb_rx_resubmit
rtw_usb_init_rx
rtw_usb_probe
So while we do the async stuff rtw_usb_probe continues and calls
rtw_register_hw, which does all kinds of initialization (e.g.
via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.
Fix this by moving the first usb_submit_urb after everything
is set up.
For me, this bug manifested as:
[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped
[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_status
because I'm using Larry's backport of rtw88 driver with the NULL
checks in rtw_rx_fill_rx_status.
The Linux kernel CVE team has assigned CVE-2024-46760 to this issue.
openEuler评分:(评分和向量)
3.9
AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
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: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
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
状态 | 需分析 | 内容 |
---|---|---|
已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:wifi: rtw88: usb: schedule rx work after everything is set upRight now it's possible to hit NULL pointer dereference inrtw_rx_fill_rx_status on hw object and/or its fields becauseinitialization routine can start getting USB replies beforertw_dev is fully setup.The stack trace looks like this:rtw_rx_fill_rx_statusrtw8821c_query_rx_descrtw_usb_rx_handler...queue_workrtw_usb_read_port_complete...usb_submit_urbrtw_usb_rx_resubmitrtw_usb_init_rxrtw_usb_probeSo while we do the async stuff rtw_usb_probe continues and callsrtw_register_hw, which does all kinds of initialization (e.g.via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.Fix this by moving the first usb_submit_urb after everythingis set up.For me, this bug manifested as:[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_statusbecause I'm using Larry's backport of rtw88 driver with the NULLchecks in rtw_rx_fill_rx_status.The Linux kernel CVE team has assigned CVE-2024-46760 to this issue. |
已分析 | 2.openEulerScore | 3.9 |
已分析 | 3.openEulerVector | AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
已分析 | 4.受影响版本排查 | openEuler-24.03-LTS:受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS-Next:不受影响 |
已分析 | 5.修复是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
CVE-2024-46760
影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw88: usb: schedule rx work after everything is set up
Right now it's possible to hit NULL pointer dereference in
rtw_rx_fill_rx_status on hw object and/or its fields because
initialization routine can start getting USB replies before
rtw_dev is fully setup.
The stack trace looks like this:
rtw_rx_fill_rx_status
rtw8821c_query_rx_desc
rtw_usb_rx_handler
...
queue_work
rtw_usb_read_port_complete
...
usb_submit_urb
rtw_usb_rx_resubmit
rtw_usb_init_rx
rtw_usb_probe
So while we do the async stuff rtw_usb_probe continues and calls
rtw_register_hw, which does all kinds of initialization (e.g.
via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.
Fix this by moving the first usb_submit_urb after everything
is set up.
For me, this bug manifested as:
[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped
[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_status
because I'm using Larry's backport of rtw88 driver with the NULL
checks in rtw_rx_fill_rx_status.
The Linux kernel CVE team has assigned CVE-2024-46760 to this issue.
openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: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
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
状态 | 需分析 | 内容 |
---|---|---|
已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:wifi: rtw88: usb: schedule rx work after everything is set upRight now it's possible to hit NULL pointer dereference inrtw_rx_fill_rx_status on hw object and/or its fields becauseinitialization routine can start getting USB replies beforertw_dev is fully setup.The stack trace looks like this:rtw_rx_fill_rx_statusrtw8821c_query_rx_descrtw_usb_rx_handler...queue_workrtw_usb_read_port_complete...usb_submit_urbrtw_usb_rx_resubmitrtw_usb_init_rxrtw_usb_probeSo while we do the async stuff rtw_usb_probe continues and callsrtw_register_hw, which does all kinds of initialization (e.g.via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.Fix this by moving the first usb_submit_urb after everythingis set up.For me, this bug manifested as:[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_statusbecause I'm using Larry's backport of rtw88 driver with the NULLchecks in rtw_rx_fill_rx_status.The Linux kernel CVE team has assigned CVE-2024-46760 to this issue. |
已分析 | 2.openEulerScore | 5.5 |
已分析 | 3.openEulerVector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
已分析 | 4.受影响版本排查 | openEuler-24.03-LTS:受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS-Next:不受影响 |
已分析 | 5.修复是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
@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: #IARYFO
受影响分支: openEuler-24.03-LTS
具体操作参考: https://gitee.com/help/articles/4142
CVE-2024-46760
影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw88: usb: schedule rx work after everything is set up
Right now it's possible to hit NULL pointer dereference in
rtw_rx_fill_rx_status on hw object and/or its fields because
initialization routine can start getting USB replies before
rtw_dev is fully setup.
The stack trace looks like this:
rtw_rx_fill_rx_status
rtw8821c_query_rx_desc
rtw_usb_rx_handler
...
queue_work
rtw_usb_read_port_complete
...
usb_submit_urb
rtw_usb_rx_resubmit
rtw_usb_init_rx
rtw_usb_probe
So while we do the async stuff rtw_usb_probe continues and calls
rtw_register_hw, which does all kinds of initialization (e.g.
via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.
Fix this by moving the first usb_submit_urb after everything
is set up.
For me, this bug manifested as:
[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped
[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_status
because I'm using Larry's backport of rtw88 driver with the NULL
checks in rtw_rx_fill_rx_status.
The Linux kernel CVE team has assigned CVE-2024-46760 to this issue.
openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: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
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
状态 | 需分析 | 内容 |
---|---|---|
已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:wifi: rtw88: usb: schedule rx work after everything is set upRight now it's possible to hit NULL pointer dereference inrtw_rx_fill_rx_status on hw object and/or its fields becauseinitialization routine can start getting USB replies beforertw_dev is fully setup.The stack trace looks like this:rtw_rx_fill_rx_statusrtw8821c_query_rx_descrtw_usb_rx_handler...queue_workrtw_usb_read_port_complete...usb_submit_urbrtw_usb_rx_resubmitrtw_usb_init_rxrtw_usb_probeSo while we do the async stuff rtw_usb_probe continues and callsrtw_register_hw, which does all kinds of initialization (e.g.via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.Fix this by moving the first usb_submit_urb after everythingis set up.For me, this bug manifested as:[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_statusbecause I'm using Larry's backport of rtw88 driver with the NULLchecks in rtw_rx_fill_rx_status.The Linux kernel CVE team has assigned CVE-2024-46760 to this issue. |
已分析 | 2.openEulerScore | 5.5 |
已分析 | 3.openEulerVector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
已分析 | 4.受影响版本排查 | openEuler-24.03-LTS:受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS-Next:不受影响 |
已分析 | 5.修复是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
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