CVE-2023-6531: Kernel: gc's deletion of an skb races with unix_stream_read_generic() leading to uaf
First published: Tue Dec 05 2023(Updated: )
A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/Kernel | <6.7 | 6.7 |
| Linux Linux kernel | <6.7 | |
| Linux Linux kernel | =6.7-rc1 | |
| Linux Linux kernel | =6.7-rc2 | |
| Linux Linux kernel | =6.7-rc3 | |
| Linux Linux kernel | =6.7-rc4 | |
| Redhat Enterprise Linux | =9.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 6.12.8-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2253034
- https://access.redhat.com/security/cve/CVE-2023-6531
- https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/
- https://access.redhat.com/errata/RHSA-2024:2394
- https://launchpad.net/bugs/cve/CVE-2023-6531
- https://git.kernel.org/linus/705318a99a138c29a512a72c3e0043b3cd7f55f4
- https://security-tracker.debian.org/tracker/CVE-2023-6531
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6531
- https://nvd.nist.gov/vuln/detail/CVE-2023-6531
- https://ubuntu.com/security/CVE-2023-6531
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