CVE-2024-50299sctp: properly validate chunk size in sctp_sf_ootb()
- 8.2HighCVSS base score
- 0.63%Exploitation in 30 daysEPSS · top 49% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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
Timeline
ID reserved
By Linux
- 29 days later
· 29 days later
Published
- 23 months later
· 23 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.2.
Affected products
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 67b9a278b80f71ec62091ded97c6bcbea33b5ec3
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 9b5d42aeaf1a52f73b003a33da6deef7df34685f
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 40b283ba76665437bc2ac72079c51b57b25bff9e
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < a758aa6a773bb872196bcc3173171ef8996bddf0
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < bf9bff13225baf5f658577f7d985fc4933d79527
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < d3fb3cc83cf313e4f87063ce0f3fea76b071567b
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 8820d2d6589f62ee5514793fff9b50c9f8101182
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 0ead60804b64f5bd6999eec88e503c6a1a242d41
- affected 2.6.12
- unaffected < 2.6.12
- unaffected 4.19.324 – ≤ 4.19.*
- unaffected 5.4.286 – ≤ 5.4.*
- unaffected 5.10.230 – ≤ 5.10.*
- unaffected 5.15.172 – ≤ 5.15.*
- unaffected 6.1.117 – ≤ 6.1.*
- unaffected 6.6.61 – ≤ 6.6.*
- unaffected 6.11.8 – ≤ 6.11.*
- unaffected 6.12 – ≤ *
References
References13
- https://git.kernel.org/stable/c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3 (opens in a new tab)
- https://git.kernel.org/stable/c/9b5d42aeaf1a52f73b003a33da6deef7df34685f (opens in a new tab)
- https://git.kernel.org/stable/c/40b283ba76665437bc2ac72079c51b57b25bff9e (opens in a new tab)
- https://git.kernel.org/stable/c/a758aa6a773bb872196bcc3173171ef8996bddf0 (opens in a new tab)
- https://git.kernel.org/stable/c/bf9bff13225baf5f658577f7d985fc4933d79527 (opens in a new tab)
- https://git.kernel.org/stable/c/d3fb3cc83cf313e4f87063ce0f3fea76b071567b (opens in a new tab)
- https://git.kernel.org/stable/c/8820d2d6589f62ee5514793fff9b50c9f8101182 (opens in a new tab)
- https://git.kernel.org/stable/c/0ead60804b64f5bd6999eec88e503c6a1a242d41 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-44801 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-50299)Record last updated .