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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

PUBLISHED Reserved 2024-10-21 | Published 2024-11-19 | Updated 2025-11-03 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 67b9a278b80f71ec62091ded97c6bcbea33b5ec3
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 9b5d42aeaf1a52f73b003a33da6deef7df34685f
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 40b283ba76665437bc2ac72079c51b57b25bff9e
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before a758aa6a773bb872196bcc3173171ef8996bddf0
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before bf9bff13225baf5f658577f7d985fc4933d79527
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before d3fb3cc83cf313e4f87063ce0f3fea76b071567b
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 8820d2d6589f62ee5514793fff9b50c9f8101182
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 0ead60804b64f5bd6999eec88e503c6a1a242d41
affected

Default status
affected

2.6.12
affected

Any version before 2.6.12
unaffected

4.19.324 (semver)
unaffected

5.4.286 (semver)
unaffected

5.10.230 (semver)
unaffected

5.15.172 (semver)
unaffected

6.1.117 (semver)
unaffected

6.6.61 (semver)
unaffected

6.11.8 (semver)
unaffected

6.12 (original_commit_for_fix)
unaffected

References

lists.debian.org/debian-lts-announce/2025/03/msg00002.html

lists.debian.org/debian-lts-announce/2025/01/msg00001.html

git.kernel.org/...c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3

git.kernel.org/...c/9b5d42aeaf1a52f73b003a33da6deef7df34685f

git.kernel.org/...c/40b283ba76665437bc2ac72079c51b57b25bff9e

git.kernel.org/...c/a758aa6a773bb872196bcc3173171ef8996bddf0

git.kernel.org/...c/bf9bff13225baf5f658577f7d985fc4933d79527

git.kernel.org/...c/d3fb3cc83cf313e4f87063ce0f3fea76b071567b

git.kernel.org/...c/8820d2d6589f62ee5514793fff9b50c9f8101182

git.kernel.org/...c/0ead60804b64f5bd6999eec88e503c6a1a242d41

cve.org (CVE-2024-50299)

nvd.nist.gov (CVE-2024-50299)

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