VulnerabilityModified
CVE-2023-6531
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.
HIGH 7.0EPSS 0.22%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.22% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2024:2394
- https://access.redhat.com/security/cve/CVE-2023-6531Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253034Issue Tracking
- https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/Mailing List, Patch
- http://packetstormsecurity.com/files/176533/Linux-Broken-Unix-GC-Interaction-Use-After-Free.html
- https://access.redhat.com/errata/RHSA-2024:2394
- https://access.redhat.com/security/cve/CVE-2023-6531Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253034Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/Mailing List, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.