Medium 5.5Published Apr 2, 2024

CVE-2024-26679inet: read sk->sk_family once in inet_recv_error()

Updated under an hour ago (Oct 26, 2026, 1:40 PM ET)

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It affects Linux and 8 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: inet: read sk->sk_family once in inet_recv_error() inet_recv_error() is called without holding the socket lock. IPv6 socket could mutate to IPv4 with IPV6_ADDRFORM socket option and trigger a KCSAN warning.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before caa064c3c2394d03e289ebd6b0be5102eb8a5b40; from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before 5993f121fbc01dc2d734f0ff2628009b258fb1dd; from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before 88081ba415224cf413101def4343d660f56d082b; from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before 3266e638ba5cc1165f5e6989eb8c0720f1cc4b41; from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before 54538752216bf89ee88d47ad07802063a498c299; from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before 4a5e31bdd3c1702b520506d9cf8c41085f75c7f2; from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before 307fa8a75ab7423fa5c73573ec3d192de5027830; from f4713a3dfad045d46afcb9c2a7d0bba288920ed4 before eef00a82c568944f113f2de738156ac591bbd5cd; and 2 more ranges	CNA record
Siemens RUGGEDCOM RST2428P siemens:ruggedcom_rst2428p (from the name)	all versions not affected	CISA ADP
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family siemens:scalance_xc_300_xr_300_xc_400_xr_500wg_xr_500_family (from the name)	all versions not affected	CISA ADP
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family siemens:scalance_xcm_xrm_xch_xrh_300_family (from the name)	all versions not affected	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
linux linux_kernel linux:linux_kernel	from 3.18 before 4.19.307; from 4.20 before 5.4.269; from 5.5 before 5.10.210; from 5.11 before 5.15.149; from 5.16 before 6.1.78; from 6.2 before 6.6.17; from 6.7 before 6.7.5; 6.8; and 2 more ranges	NVD
debian debian_linux debian:debian_linux	10.0	NVD

References

References

https://git.kernel.org/stable/c/caa064c3c2394d03e289ebd6b0be5102eb8a5b40	patch
https://git.kernel.org/stable/c/5993f121fbc01dc2d734f0ff2628009b258fb1dd	patch
https://git.kernel.org/stable/c/88081ba415224cf413101def4343d660f56d082b	patch
https://git.kernel.org/stable/c/3266e638ba5cc1165f5e6989eb8c0720f1cc4b41	patch
https://git.kernel.org/stable/c/54538752216bf89ee88d47ad07802063a498c299	patch
https://git.kernel.org/stable/c/4a5e31bdd3c1702b520506d9cf8c41085f75c7f2	patch
https://git.kernel.org/stable/c/307fa8a75ab7423fa5c73573ec3d192de5027830	patch
https://git.kernel.org/stable/c/eef00a82c568944f113f2de738156ac591bbd5cd	patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html	mailing-list
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html	mailing-list
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.