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CVE-2026-52929

In the Linux kernel, the following vulnerability has been resolved: sctp: stream: fully roll back denied add-stream state When ADD_OUT_STREAMS is denied, SCTP only shrinks the queued chunks and then lowers outcnt. That leaves removed stream metadata behind, so a later re-add can reuse a stale ext and hit a null-pointer dereference in the scheduler get path. Fix the rollback by tearing down the removed stream state the same way other stream resizes do. Unschedule the current scheduler state, d
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bf0fb17363f43a461271c62207c1626f3386cd5c3155f1f11464b41493a6ae8a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/stream.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0cd2dc6dce8ca47212cd306ccd52eb315ef3cf85","status":"affected","version":"637784ade221a3c8a7ecd0f583eddd95d6276b9a","versionType":"git"},{"lessThan":"a6724b7b812ac8793514a1d5938db5d9d29ae725","status":"affected","version":"637784ade221a3c8a7ecd0f583eddd95d6276b9a","versionType":"git"},{"lessThan":"9662eb0401518f0b4681f10e7fbf688f504f24cf","status":"affected","version":"637784ade221a3c8a7ecd0f583ed…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/sctp/stream.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrE…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/stream.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0cd2dc6dce8ca47212cd306ccd52eb315ef3cf85","status":"affected","version":"637784ade221a3c8a7ecd0f583eddd95d6276b9a","versionType":"git"},{"lessThan":"a6724b7b812ac8793514a1d5938db5d9d29ae725","status":"affected","version":"637784ade221a3c8a7ecd0f583eddd95d6276b9a","versionType":"git"},{"lessThan":"9662eb0401518f0b4681f10e7fbf688f504f24cf","status":"affected","version":"637784ade221a3c8a7ecd0f583ed…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/sctp/stream.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrE…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/0cd2dc6dce8ca47212cd306ccd52eb315ef3cf85"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/1c6773b8c081509dcd5cd2954f2b02c50c00f151"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/39dc2b0eb5371a669ebc9ec6072b9184eac95418"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/7dd9a42b044aad2dbe037db1c1e2943582485b44"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/9662eb0401518f0b4681f10e7fbf688f504f24cf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/a5f8a90ac9f77c678a9781c0a464b635e0d63e49"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/a6724b7b812ac8793514a1d5938db5d9d29ae725"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d5ea0b3e261fcb2cfff142675516165244cab1da"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:495a1ff34d1047d5f5594781c788bc0b41567645ab94a56e1387cd29e8dd74e9 · sha256:2180e33e9d4b61ff… · /containers/cna/references/5

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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