CVE-2023-6531 — Race Condition in Kernel

CWE-362 — Race ConditionCWE-416 — Use After Free11 documents9 sources
Severity
7.0HIGHNVD
EPSS
0.0%
top 97.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linux KernelRedhat Enterprise Linux
Timeline
PublishedJan 21
Latest updateFeb 23

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 vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages2 packages

▶NVDlinux/linux_kernel< 6.7+1
▶Debianlinux/linux_kernel< 5.10.205-2+3

Also affects: Enterprise Linux 9.0

Patches

Patch: lore.kernel.org ↗Patch: lore.kernel.org ↗

🔴Vulnerability Details

3
CVEList
Kernel: gc's deletion of an skb races with unix_stream_read_generic() leading to uaf↗2024-01-21
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GHSA
GHSA-xh36-8q3w-g243: 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_↗2024-01-21
▶
OSV
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_↗2024-01-21
▶

📋Vendor Advisories

6
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-02-23
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2024-02-15
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Ubuntu
Linux kernel vulnerabilities↗2024-02-07
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Microsoft
Kernel: gc's deletion of an skb races with unix_stream_read_generic() leading to uaf↗2024-01-09
▶
Red Hat
kernel: GC's deletion of an SKB races with unix_stream_read_generic() leading to UAF↗2023-12-06
▶

💬Community

1
Bugzilla
CVE-2023-6531 kernel: GC's deletion of an SKB races with unix_stream_read_generic() leading to UAF↗2023-12-05
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CVE-2023-6531 — Race Condition in Linux Kernel | cvebase