CVE-2024-26781 — Improper Locking in Linux

CWE-667 — Improper LockingCWE-833 — Deadlock6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 98.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedApr 4

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible deadlock in subflow diag Syzbot and Eric reported a lockdep splat in the subflow diag: WARNING: possible circular locking dependency detected 6.8.0-rc4-syzkaller-00212-g40b9385dd8e6 #0 Not tainted syz-executor.2/24141 is trying to acquire lock: ffff888045870130 (k-sk_lock-AF_INET6){+.+.}-{0:0}, at: tcp_diag_put_ulp net/ipv4/tcp_diag.c:100 [inline] ffff888045870130 (k-sk_lock-AF_INET6){+.+.}-{0:0}, at: tcp…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.6.19 — 6.6.21+4
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶CVEListV5linux/linux8affdbb3e2ef6b6a3a467b87dc336dc601dc2ed9 — 70e5b013538d5e4cb421afed431a5fcd2a5d49ee+10
▶debiandebian/linux< linux 6.1.82-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-6jqp-mm8h-jjgv: In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible deadlock in subflow diag Syzbot and Eric reported a lockdep↗2024-04-04
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OSV
CVE-2024-26781: In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible deadlock in subflow diag Syzbot and Eric reported a lockdep sp↗2024-04-04
▶

📋Vendor Advisories

2
Red Hat
kernel: mptcp: fix possible deadlock in subflow diag↗2024-04-04
▶
Debian
CVE-2024-26781: linux - In the Linux kernel, the following vulnerability has been resolved: mptcp: fix ...↗2024
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💬Community

1
Bugzilla
CVE-2024-26781 kernel: mptcp: fix possible deadlock in subflow diag↗2024-04-04
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