CVE-2023-1281: UAF in Linux kernel's tcindex (traffic control index filter) implementation
First published: Wed Mar 22 2023(Updated: )
A Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root. This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2. <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee059170b1f7e94e55fa6cadee544e176a6e59c2">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee059170b1f7e94e55fa6cadee544e176a6e59c2</a>
Credit: cve-coordination@google.com cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=4.14<5.10.169 | |
| Linux Linux kernel | >=5.11<5.15.95 | |
| Linux Linux kernel | >=5.16<6.1.13 | |
| Linux Linux kernel | =6.2-rc1 | |
| Linux Linux kernel | =6.2-rc2 | |
| Linux Linux kernel | =6.2-rc3 | |
| Linux Linux kernel | =6.2-rc4 | |
| Linux Linux kernel | =6.2-rc5 | |
| Linux Linux kernel | =6.2-rc6 | |
| Linux Linux kernel | =6.2-rc7 | |
| Linux Linux kernel | =6.2-rc8 | |
| redhat/Kernel | <6.2 | 6.2 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2023/04/11/3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee059170b1f7e94e55fa6cadee544e176a6e59c2
- https://kernel.dance/#ee059170b1f7e94e55fa6cadee544e176a6e59c2
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://security.netapp.com/advisory/ntap-20230427-0004/
- https://launchpad.net/bugs/cve/CVE-2023-1281
- https://access.redhat.com/errata/RHSA-2023:3853
- https://access.redhat.com/errata/RHSA-2023:3852
- https://access.redhat.com/errata/RHSA-2023:4125
- https://access.redhat.com/errata/RHSA-2023:4126
- https://access.redhat.com/errata/RHSA-2023:4145
- https://access.redhat.com/errata/RHSA-2023:4130
- https://access.redhat.com/errata/RHSA-2023:4146
- https://access.redhat.com/errata/RHSA-2023:4262
- https://access.redhat.com/errata/RHSA-2023:4255
- https://access.redhat.com/errata/RHSA-2023:4256
- https://access.redhat.com/errata/RHSA-2023:4541
- https://access.redhat.com/errata/RHSA-2023:4517
- https://access.redhat.com/errata/RHSA-2023:4531
- https://bugzilla.redhat.com/show_bug.cgi?id=2181847
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1281
- https://nvd.nist.gov/vuln/detail/CVE-2023-1281
- https://security-tracker.debian.org/tracker/CVE-2023-1281
- https://ubuntu.com/security/CVE-2023-1281
- https://git.kernel.org/linus/ee059170b1f7e94e55fa6cadee544e176a6e59c2
- https://www.openwall.com/lists/oss-security/2023/04/11/3
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