High 7.8Published Dec 27, 2024

CVE-2024-56606af_packet: avoid erroring out after sock_init_data() in packet_create()

Updated under an hour ago (Oct 27, 2026, 7:10 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: af_packet: avoid erroring out after sock_init_data() in packet_create() After sock_init_data() the allocated sk object is attached to the provided sock object. On error, packet_create() frees the sk object leaving the dangling pointer in the sock object on return. Some other code may try to use this pointer and cause use-after-free.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): 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 b013840810c221f2b0cf641d01531526052dc1fb before 71b22837a5e55ac27d6a14b9cdf2326587405c4f; from b013840810c221f2b0cf641d01531526052dc1fb before 1dc1e1db927056cb323296e2294a855cd003dfe7; from b013840810c221f2b0cf641d01531526052dc1fb before 132e615bb1d7cdec2d3cfbdec2efa630e923fd21; from b013840810c221f2b0cf641d01531526052dc1fb before a6cf750b737374454a4e03a5ed449a3eb0c96414; from b013840810c221f2b0cf641d01531526052dc1fb before 157f08db94123e2ba56877dd0ac88908b13a5dd0; from b013840810c221f2b0cf641d01531526052dc1fb before fd09880b16d33aa5a7420578e01cd79148fa9829; from b013840810c221f2b0cf641d01531526052dc1fb before 46f2a11cb82b657fd15bab1c47821b635e03838b	CNA record
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
Siemens RUGGEDCOM RST2428P siemens:ruggedcom_rst2428p (from the name)	before V3.2	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)	before V3.2	CISA ADP
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family siemens:scalance_xcm_xrm_xch_xrh_300_family (from the name)	before V3.2	CISA ADP
linux linux_kernel linux:linux_kernel	before 5.4.287; from 5.5 before 5.10.231; from 5.11 before 5.15.174; from 5.16 before 6.1.120; from 6.2 before 6.6.66; from 6.7 before 6.12.5	NVD

References

References

https://git.kernel.org/stable/c/71b22837a5e55ac27d6a14b9cdf2326587405c4f	patch
https://git.kernel.org/stable/c/1dc1e1db927056cb323296e2294a855cd003dfe7	patch
https://git.kernel.org/stable/c/132e615bb1d7cdec2d3cfbdec2efa630e923fd21	patch
https://git.kernel.org/stable/c/a6cf750b737374454a4e03a5ed449a3eb0c96414	patch
https://git.kernel.org/stable/c/157f08db94123e2ba56877dd0ac88908b13a5dd0	patch
https://git.kernel.org/stable/c/fd09880b16d33aa5a7420578e01cd79148fa9829	patch
https://git.kernel.org/stable/c/46f2a11cb82b657fd15bab1c47821b635e03838b	patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
https://cert-portal.siemens.com/productcert/html/ssa-355557.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.