CVE-2024-26586

一、漏洞信息
 漏洞编号：[CVE-2024-26586](https://nvd.nist.gov/vuln/detail/CVE-2024-26586)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/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：6.7 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:mlxsw: spectrum_acl_tcam: Fix stack corruptionWhen tc filters are first added to a net device, the corresponding localport gets bound to an ACL group in the device. The group contains a listof ACLs. In turn, each ACL points to a different TCAM region where thefilters are stored. During forwarding, the ACLs are sequentiallyevaluated until a match is found.One reason to place filters in different regions is when they are addedwith decreasing priorities and in an alternating order so that twoconsecutive filters can never fit in the same region because of theirkey usage.In Spectrum-2 and newer ASICs the firmware started to report that themaximum number of ACLs in a group is more than 16, but the layout of theregister that configures ACL groups (PAGT) was not updated to accountfor that. It is therefore possible to hit stack corruption [1] in therare case where more than 16 ACLs in a group are required.Fix by limiting the maximum ACL group size to the minimum between whatthe firmware reports and the maximum ACLs that fit in the PAGT register.Add a test case to make sure the machine does not crash when thiscondition is hit.[1]Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: mlxsw_sp_acl_tcam_group_update+0x116/0x120[...] dump_stack_lvl+0x36/0x50 panic+0x305/0x330 __stack_chk_fail+0x15/0x20 mlxsw_sp_acl_tcam_group_update+0x116/0x120 mlxsw_sp_acl_tcam_group_region_attach+0x69/0x110 mlxsw_sp_acl_tcam_vchunk_get+0x492/0xa20 mlxsw_sp_acl_tcam_ventry_add+0x25/0xe0 mlxsw_sp_acl_rule_add+0x47/0x240 mlxsw_sp_flower_replace+0x1a9/0x1d0 tc_setup_cb_add+0xdc/0x1c0 fl_hw_replace_filter+0x146/0x1f0 fl_change+0xc17/0x1360 tc_new_tfilter+0x472/0xb90 rtnetlink_rcv_msg+0x313/0x3b0 netlink_rcv_skb+0x58/0x100 netlink_unicast+0x244/0x390 netlink_sendmsg+0x1e4/0x440 ____sys_sendmsg+0x164/0x260 ___sys_sendmsg+0x9a/0xe0 __sys_sendmsg+0x7a/0xc0 do_syscall_64+0x40/0xe0 entry_SYSCALL_64_after_hwframe+0x63/0x6b
 漏洞公开时间：2024-02-23 01:15:08
 漏洞创建时间：2024-02-23 01:55:04
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-26586
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/2f5e1565740490706332c06f36211d4ce0f88e62 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/348112522a35527c5bcba933b9fefb40a4f44f15 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/483ae90d8f976f8339cf81066312e1329f2d3706 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/56750ea5d15426b5f307554e7699e8b5f76c3182 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/6fd24675188d354b1cad47462969afa2ab09d819 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a361c2c1da5dbb13ca67601cf961ab3ad68af383 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-26586 | https://bugzilla.suse.com/show_bug.cgi?id=1220243 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-26586 | https://bugzilla.suse.com/show_bug.cgi?id=1220243 |
| suse_bugzilla | https://git.kernel.org/stable/c/2f5e1565740490706332c06f36211d4ce0f88e62 | https://bugzilla.suse.com/show_bug.cgi?id=1220243 |
| suse_bugzilla | https://git.kernel.org/stable/c/348112522a35527c5bcba933b9fefb40a4f44f15 | https://bugzilla.suse.com/show_bug.cgi?id=1220243 |
| suse_bugzilla | https://git.kernel.org/stable/c/483ae90d8f976f8339cf81066312e1329f2d3706 | https://bugzilla.suse.com/show_bug.cgi?id=1220243 |
| suse_bugzilla | https://git.kernel.org/stable/c/56750ea5d15426b5f307554e7699e8b5f76c3182 | https://bugzilla.suse.com/show_bug.cgi?id=1220243 |
| suse_bugzilla | https://git.kernel.org/stable/c/a361c2c1da5dbb13ca67601cf961ab3ad68af383 | https://bugzilla.suse.com/show_bug.cgi?id=1220243 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:1882 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:1881 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2008 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2006 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2394 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2585 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2582 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2674 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:3414 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:3421 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:3810 | https://bugzilla.redhat.com/show_bug.cgi?id=2265645 |
| ubuntu | https://git.kernel.org/stable/c/56750ea5d15426b5f307554e7699e8b5f76c3182 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://git.kernel.org/stable/c/348112522a35527c5bcba933b9fefb40a4f44f15 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://git.kernel.org/stable/c/2f5e1565740490706332c06f36211d4ce0f88e62 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://git.kernel.org/stable/c/a361c2c1da5dbb13ca67601cf961ab3ad68af383 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://git.kernel.org/stable/c/483ae90d8f976f8339cf81066312e1329f2d3706 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://ubuntu.com/security/notices/USN-6725-1 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-26586 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://ubuntu.com/security/notices/USN-6725-2 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-26586 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-26586 | https://ubuntu.com/security/CVE-2024-26586 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-26586 | https://ubuntu.com/security/CVE-2024-26586 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-26586 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2024-26586 |
| cve_search |  | https://git.kernel.org/stable/c/56750ea5d15426b5f307554e7699e8b5f76c3182 |
| cve_search |  | https://git.kernel.org/stable/c/348112522a35527c5bcba933b9fefb40a4f44f15 |
| cve_search |  | https://git.kernel.org/stable/c/2f5e1565740490706332c06f36211d4ce0f88e62 |
| cve_search |  | https://git.kernel.org/stable/c/a361c2c1da5dbb13ca67601cf961ab3ad68af383 |
| cve_search |  | https://git.kernel.org/stable/c/483ae90d8f976f8339cf81066312e1329f2d3706 |
| cve_search |  | https://git.kernel.org/stable/c/6fd24675188d354b1cad47462969afa2ab09d819 |
| snyk | https://github.com/torvalds/linux/commit/483ae90d8f976f8339cf81066312e1329f2d3706 | https://security.snyk.io/vuln/SNYK-UNMANAGED-TORVALDSLINUX-6282360 |

</details>

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：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://github.com/torvalds/linux/commit/483ae90d8f976f8339cf81066312e1329f2d3706 |  | snyk |
|  |  | https://git.kernel.org/stable/c/2f5e1565740490706332c06f36211d4ce0f88e62 |  | nvd |
|  |  | https://git.kernel.org/stable/c/348112522a35527c5bcba933b9fefb40a4f44f15 |  | nvd |
|  |  | https://git.kernel.org/stable/c/483ae90d8f976f8339cf81066312e1329f2d3706 |  | nvd |
|  |  | https://git.kernel.org/stable/c/56750ea5d15426b5f307554e7699e8b5f76c3182 |  | nvd |
|  |  | https://git.kernel.org/stable/c/6fd24675188d354b1cad47462969afa2ab09d819 |  | nvd |
|  |  | https://git.kernel.org/stable/c/a361c2c1da5dbb13ca67601cf961ab3ad68af383 |  | nvd |
| linux_kernel | 5.10.209 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=56750ea5d15426b5f307554e7699e8b5f76c3182 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=c3ab435466d5 | linuxkernelcves |
| linux_kernel | 5.15.148 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=348112522a35527c5bcba933b9fefb40a4f44f15 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=c3ab435466d5 | linuxkernelcves |
| linux_kernel | 6.1.79 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=6fd24675188d354b1cad47462969afa2ab09d819 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=c3ab435466d5 | linuxkernelcves |
| linux_kernel | 6.6.14 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=2f5e1565740490706332c06f36211d4ce0f88e62 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=c3ab435466d5 | linuxkernelcves |
| linux_kernel | 6.7.2 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=a361c2c1da5dbb13ca67601cf961ab3ad68af383 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=c3ab435466d5 | linuxkernelcves |
| linux |  | https://git.kernel.org/linus/483ae90d8f976f8339cf81066312e1329f2d3706 | https://git.kernel.org/linus/c3ab435466d5 | ubuntu |

</details>

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:mlxsw: spectrum_acl_tcam: Fix stack corruptionWhen tc filters are first added to a net device, the corresponding localport gets bound to an ACL group in the device. The group contains a listof ACLs. In turn, each ACL points to a different TCAM region where thefilters are stored. During forwarding, the ACLs are sequentiallyevaluated until a match is found.One reason to place filters in different regions is when they are addedwith decreasing priorities and in an alternating order so that twoconsecutive filters can never fit in the same region because of theirkey usage.In Spectrum-2 and newer ASICs the firmware started to report that themaximum number of ACLs in a group is more than 16, but the layout of theregister that configures ACL groups (PAGT) was not updated to accountfor that. It is therefore possible to hit stack corruption [1] in therare case where more than 16 ACLs in a group are required.Fix by limiting the maximum ACL group size to the minimum between whatthe firmware reports and the maximum ACLs that fit in the PAGT register.Add a test case to make sure the machine does not crash when thiscondition is hit.[1]Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: mlxsw_sp_acl_tcam_group_update+0x116/0x120[...] dump_stack_lvl+0x36/0x50 panic+0x305/0x330 __stack_chk_fail+0x15/0x20 mlxsw_sp_acl_tcam_group_update+0x116/0x120 mlxsw_sp_acl_tcam_group_region_attach+0x69/0x110 mlxsw_sp_acl_tcam_vchunk_get+0x492/0xa20 mlxsw_sp_acl_tcam_ventry_add+0x25/0xe0 mlxsw_sp_acl_rule_add+0x47/0x240 mlxsw_sp_flower_replace+0x1a9/0x1d0 tc_setup_cb_add+0xdc/0x1c0 fl_hw_replace_filter+0x146/0x1f0 fl_change+0xc17/0x1360 tc_new_tfilter+0x472/0xb90 rtnetlink_rcv_msg+0x313/0x3b0 netlink_rcv_skb+0x58/0x100 netlink_unicast+0x244/0x390 netlink_sendmsg+0x1e4/0x440 ____sys_sendmsg+0x164/0x260 ___sys_sendmsg+0x9a/0xe0 __sys_sendmsg+0x7a/0xc0 do_syscall_64+0x40/0xe0 entry_SYSCALL_64_after_hwframe+0x63/0x6b 
 openEuler评分：
  6.7
 Vector：CVSS：3.0/AV:L/AC:L/PR:H/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):受影响
2.openEuler-22.03-LTS-SP1(5.10.0):受影响
3.openEuler-22.03-LTS-SP3(5.10.0):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

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2031

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