High 8.2Published Nov 18, 2024

CVE-2024-50299sctp: properly validate chunk size in sctp_sf_ootb()

Updated under an hour ago (Oct 26, 2026, 5:10 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: sctp: properly validate chunk size in sctp_sf_ootb() A size validation fix similar to that in Commit 50619dbf8db7 ("sctp: add size validation when walking chunks") is also required in sctp_sf_ootb() to address a crash reported by syzbot: BUG: KMSAN: uninit-value in sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166 sctp_endpoint_bh_rcv+0xc38/0xf90 net/sctp/endpointola.c:407 sctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88 sctp_rcv+0x3831/0x3b20 net/sctp/input.c:243 sctp4_rcv+0x42/0x50 net/sctp/protocol.c:1159 ip_protocol_deliver_rcu+0xb51/0x13d0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x336/0x500 net/ipv4/ip_input.c:233

CVSS: 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness (CWE): CWE-908
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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 67b9a278b80f71ec62091ded97c6bcbea33b5ec3; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 9b5d42aeaf1a52f73b003a33da6deef7df34685f; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 40b283ba76665437bc2ac72079c51b57b25bff9e; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a758aa6a773bb872196bcc3173171ef8996bddf0; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before bf9bff13225baf5f658577f7d985fc4933d79527; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d3fb3cc83cf313e4f87063ce0f3fea76b071567b; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 8820d2d6589f62ee5514793fff9b50c9f8101182; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 builds before 0ead60804b64f5bd6999eec88e503c6a1a242d41	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 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
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	from 2.6.12 before 4.19.324; from 4.20 before 5.4.286; from 5.5 before 5.10.230; from 5.11 before 5.15.172; from 5.16 before 6.1.117; from 6.2 before 6.6.61; from 6.7 before 6.11.8; 6.12; and 5 more ranges	NVD

References

References

https://git.kernel.org/stable/c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3	patch
https://git.kernel.org/stable/c/9b5d42aeaf1a52f73b003a33da6deef7df34685f	patch
https://git.kernel.org/stable/c/40b283ba76665437bc2ac72079c51b57b25bff9e	patch
https://git.kernel.org/stable/c/a758aa6a773bb872196bcc3173171ef8996bddf0	patch
https://git.kernel.org/stable/c/bf9bff13225baf5f658577f7d985fc4933d79527	patch
https://git.kernel.org/stable/c/d3fb3cc83cf313e4f87063ce0f3fea76b071567b	patch
https://git.kernel.org/stable/c/8820d2d6589f62ee5514793fff9b50c9f8101182	patch
https://git.kernel.org/stable/c/0ead60804b64f5bd6999eec88e503c6a1a242d41	patch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.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.