Vulnerability details

CVE-2024-50299

Linux LinuxSiemens RUGGEDCOM RST2428PSiemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familySiemens SCALANCE XCM-/XRM-/XCH-/XRH-300 familySiemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFPSiemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP

sctp: properly validate chunk size in sctp_sf_ootb()

CVSS 3.1
8.2High

Official description

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 scores

ScoreVersionSourceVector
5.5Medium 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
8.2High 3.1 CVEProject cvelistV5 (CNA) (Linux) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected products

VendorProductVersionsSource
Linux Linux 2.6.12 CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 9b5d42aeaf1a52f73b003a33da6deef7df34685f CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 40b283ba76665437bc2ac72079c51b57b25bff9e CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < a758aa6a773bb872196bcc3173171ef8996bddf0 CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 67b9a278b80f71ec62091ded97c6bcbea33b5ec3 CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < d3fb3cc83cf313e4f87063ce0f3fea76b071567b CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 8820d2d6589f62ee5514793fff9b50c9f8101182 CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < 0ead60804b64f5bd6999eec88e503c6a1a242d41 CVEProject cvelistV5 (CNA)
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ≤ v < bf9bff13225baf5f658577f7d985fc4933d79527 CVEProject cvelistV5 (CNA)
Siemens RUGGEDCOM RST2428P v < V3.2 CVEProject cvelistV5 (CNA)
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family v < V3.2 CVEProject cvelistV5 (CNA)
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family v < V3.2 CVEProject cvelistV5 (CNA)
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP V3.1.0 ≤ v < V3.1.5 CVEProject cvelistV5 (CNA)
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP V3.1.0 ≤ v < V3.1.5 CVEProject cvelistV5 (CNA)
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP V3.1.0 ≤ v < V3.1.5 CVEProject cvelistV5 (CNA)
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP V3.1.0 ≤ v < V3.1.5 CVEProject cvelistV5 (CNA)
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem v < V1.1.1 CVEProject cvelistV5 (CNA)
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP V3.1.0 ≤ v < V3.1.5 CVEProject cvelistV5 (CNA)

References and advisories

13
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Details

Published
2024-11-19
Last updated
2026-10-15
State
Published
Assigner (CNA)
Linux

Exploit prediction (EPSS)

0.62%
Probability of exploitation in 30 days
50%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-908
    Use of Uninitialized Resource