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CVE-2026-53181

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: fix sk_ack_backlog leak on failed handshake When vmci_transport_recv_connecting_server() returns an error, vmci_transport_recv_listen() calls vsock_remove_pending() but never calls sk_acceptq_removed(). This leaves sk_ack_backlog incremented permanently. Repeated handshake failures (malformed packets, queue pair alloc failure, event subscribe failure) cause sk_ack_backlog to climb toward sk_max_ack_backlog. Once i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:01c4ba0f6250fe0ed2cc2f501107765bac2e6909da7091efe7443762083a7788
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/vmw_vsock/vmci_transport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22c587aa3ab1ab5264daff3ec32136fd30436c13","status":"affected","version":"d021c344051af91f42c5ba9fdedc176740cbd238","versionType":"git"},{"lessThan":"cf7090e255d74c4b61c51f8ede9fcacdd8393b5b","status":"affected","version":"d021c344051af91f42c5ba9fdedc176740cbd238","versionType":"git"},{"lessThan":"ea0b03d52881c12a8c634ea0d6cbfa61cefdb488","status":"affected","version":"d021c344051af91…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/vmw_vsock/vmci_transport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.9"},{"lessThan":"3.9","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"},{"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/vmw_vsock/vmci_transport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22c587aa3ab1ab5264daff3ec32136fd30436c13","status":"affected","version":"d021c344051af91f42c5ba9fdedc176740cbd238","versionType":"git"},{"lessThan":"cf7090e255d74c4b61c51f8ede9fcacdd8393b5b","status":"affected","version":"d021c344051af91f42c5ba9fdedc176740cbd238","versionType":"git"},{"lessThan":"ea0b03d52881c12a8c634ea0d6cbfa61cefdb488","status":"affected","version":"d021c344051af91…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/vmw_vsock/vmci_transport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.9"},{"lessThan":"3.9","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"},{"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/affected/1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/22c587aa3ab1ab5264daff3ec32136fd30436c13"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/9698582a4dd9c4a05889d7db96d4c0edc9e69cac"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/ba9ad6015937a5e46ba1a31370e3efdec8abbdcc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/bcb275626055df7f8f947f1a349754b4004d9a15"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/c05fa14db43ebef3bd862ca9d073981c0358b3f0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/cf7090e255d74c4b61c51f8ede9fcacdd8393b5b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/dfd853197615d322d3a88dbcab91fc0fd2096219"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/ea0b03d52881c12a8c634ea0d6cbfa61cefdb488"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7fee4f041cd172cde64a8fb9bfb0155d65652d858d4bd774057dda114ff6b199 · sha256:c23a19d30a6c99f7… · /containers/cna/references/2

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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