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CVE-2026-43164

In the Linux kernel, the following vulnerability has been resolved: udplite: Fix null-ptr-deref in __udp_enqueue_schedule_skb(). syzbot reported null-ptr-deref of udp_sk(sk)->udp_prod_queue. [0] Since the cited commit, udp_lib_init_sock() can fail, as can udp_init_sock() and udpv6_init_sock(). Let's handle the error in udplite_sk_init() and udplitev6_sk_init(). [0]: BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:82 [inline] BUG: KASAN: null-ptr-deref in at
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9f4acdc7062469ed7ebd49de016fe7fe03a066035026fb3d1a7a2c3a76a3f2d8
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":"affected","product":"Linux","programFiles":["net/ipv4/udplite.c","net/ipv6/udplite.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_co…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/udplite.c","net/ipv6/udplite.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f27030ac5bef47d997cfac05a3d188aa69f4df7f","status":"affected","version":"b650bf0977d34c52befb31a9fa711534e11b220f","versionType":"git"},{"lessThan":"0f13fa087ead642ea1eb5fdb6eb092c913ef06b7","status":"affected","version":"b650bf0977d34c52befb31a9fa711534e11b220f","versionType":"git"},{"lessThan":"470c7ca2b4c3e3a51feeb952b7f97a775b5c49cd","status":"affected","version":"b650bf…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/udplite.c","net/ipv6/udplite.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_co…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/udplite.c","net/ipv6/udplite.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f27030ac5bef47d997cfac05a3d188aa69f4df7f","status":"affected","version":"b650bf0977d34c52befb31a9fa711534e11b220f","versionType":"git"},{"lessThan":"0f13fa087ead642ea1eb5fdb6eb092c913ef06b7","status":"affected","version":"b650bf0977d34c52befb31a9fa711534e11b220f","versionType":"git"},{"lessThan":"470c7ca2b4c3e3a51feeb952b7f97a775b5c49cd","status":"affected","version":"b650bf…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/affected/0

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:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/0f13fa087ead642ea1eb5fdb6eb092c913ef06b7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/470c7ca2b4c3e3a51feeb952b7f97a775b5c49cd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/f27030ac5bef47d997cfac05a3d188aa69f4df7f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f36c9da0f983c76e9827a9b00370a121c1eb4809072a138f20b0239b7a0bf596 · sha256:9f0cdaccbf9d5db9… · /containers/cna/references/0

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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