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CVE-2026-64044

In the Linux kernel, the following vulnerability has been resolved: ovpn: respect peer refcount in CMD_NEW_PEER error path ovpn_nl_peer_new_doit()'s error path calls ovpn_peer_release() directly rather than ovpn_peer_put(), bypassing the kref. The accompanying comment ("peer was not yet hashed, thus it is not used in any context") holds for UDP but not for TCP. For UDP, the ovpn_socket union uses the .ovpn arm and never points back at a peer; UDP encap_recv looks up peers via the not-yet-popu
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4e90e888c2ac7733ceeffcaf8108135f2d05a8b2b73fbe76a7af5b5a5d437f67
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":["drivers/net/ovpn/netlink.c","drivers/net/ovpn/peer.c","drivers/net/ovpn/peer.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8298834912d76dbc82c12b6b4ab7590ed2bb8ae5","status":"affected","version":"11851cbd60ea1e5abbd97619d69845ead99303d6","versionType":"git"},{"lessThan":"0c3ef71879c0264de6c42463031d9e057da87840","status":"affected","version":"11851cbd60ea1e5abbd97619d69845ead99303d6","versionType":"git"},{"lessThan":"1fef6614673ff0846d30acdeeaf3cf98bb5f6116…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ovpn/netlink.c","drivers/net/ovpn/peer.c","drivers/net/ovpn/peer.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","ver…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ovpn/netlink.c","drivers/net/ovpn/peer.c","drivers/net/ovpn/peer.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8298834912d76dbc82c12b6b4ab7590ed2bb8ae5","status":"affected","version":"11851cbd60ea1e5abbd97619d69845ead99303d6","versionType":"git"},{"lessThan":"0c3ef71879c0264de6c42463031d9e057da87840","status":"affected","version":"11851cbd60ea1e5abbd97619d69845ead99303d6","versionType":"git"},{"lessThan":"1fef6614673ff0846d30acdeeaf3cf98bb5f6116…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ovpn/netlink.c","drivers/net/ovpn/peer.c","drivers/net/ovpn/peer.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","ver…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/0c3ef71879c0264de6c42463031d9e057da87840"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/1fef6614673ff0846d30acdeeaf3cf98bb5f6116"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/8298834912d76dbc82c12b6b4ab7590ed2bb8ae5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0417c4b84bf8b3fdcae0f045605a1e67eb868560e3a578af2dd4323c8fddff04 · sha256:d7e280ec57c8503a… · /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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