High 7.0Published Jun 19, 2024

CVE-2024-38612ipv6: sr: fix invalid unregister error path

Updated under an hour ago (Oct 27, 2026, 1:10 PM ET)

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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: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL is not defined. In that case if seg6_hmac_init() fails, the genl_unregister_family() isn't called. This issue exist since commit 46738b1317e1 ("ipv6: sr: add option to control lwtunnel support"), and commit 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and null-ptr-deref") replaced unregister_pernet_subsys() with genl_unregister_family() in this error path.

CVSS: 7.0 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-476, CWE-416
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 46738b1317e169b281ad74690276916e24d1be6d before 10610575a3ac2a702bf5c57aa931beaf847949c7; 46738b1317e169b281ad74690276916e24d1be6d builds before 646cd236c55e2cb5f146fc41bbe4034c4af5b2a4; 46738b1317e169b281ad74690276916e24d1be6d builds before 00e6335329f23ac6cf3105931691674e28bc598c; 46738b1317e169b281ad74690276916e24d1be6d builds before 1a63730fb315bb1bab97edd69ff58ad45e04bb01; from 46738b1317e169b281ad74690276916e24d1be6d before e77a3ec7ada84543e75722a1283785a6544de925; 46738b1317e169b281ad74690276916e24d1be6d builds before 3398a40dccb88d3a7eef378247a023a78472db66; 46738b1317e169b281ad74690276916e24d1be6d builds before 85a70ff1e572160f1eeb096ed48d09a1c9d4d89a; from 46738b1317e169b281ad74690276916e24d1be6d before c04d6a914e890ccea4a9d11233009a2ee7978bf4; and 1 more ranges	CNA record
linux linux_kernel linux:linux_kernel	from 46738b1317e1 before 0610575a3ac	CISA ADP
linux acrn linux:acrn	from 5.10.219 through 5.11 not affected	CISA ADP
Siemens RUGGEDCOM RST2428P siemens:ruggedcom_rst2428p (from the name)	before V3.1	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)	before V3.1	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 SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	before V1.1.1	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
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References

References

https://git.kernel.org/stable/c/10610575a3ac2a702bf5c57aa931beaf847949c7	patch
https://git.kernel.org/stable/c/646cd236c55e2cb5f146fc41bbe4034c4af5b2a4	patch
https://git.kernel.org/stable/c/00e6335329f23ac6cf3105931691674e28bc598c	patch
https://git.kernel.org/stable/c/1a63730fb315bb1bab97edd69ff58ad45e04bb01	patch
https://git.kernel.org/stable/c/e77a3ec7ada84543e75722a1283785a6544de925	patch
https://git.kernel.org/stable/c/3398a40dccb88d3a7eef378247a023a78472db66	patch
https://git.kernel.org/stable/c/85a70ff1e572160f1eeb096ed48d09a1c9d4d89a	patch
https://git.kernel.org/stable/c/c04d6a914e890ccea4a9d11233009a2ee7978bf4	patch
https://git.kernel.org/stable/c/160e9d2752181fcf18c662e74022d77d3164cd45	patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
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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.