Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-31692

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: add missing netlink_ns_capable() check for peer netns rtnl_newlink() lacks a CAP_NET_ADMIN capability check on the peer network namespace when creating paired devices (veth, vxcan, netkit). This allows an unprivileged user with a user namespace to create interfaces in arbitrary network namespaces, including init_net. Add a netlink_ns_capable() check for CAP_NET_ADMIN in the peer namespace before allowing device cre
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:56a2d0fc1cb7a3a86c6e1103837c127536f8cbc4f9f50b8cb4f52d54eaeb4ffd
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/core/rtnetlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0975b64ffb34560042090a5986c3a02e6c80f36f","status":"affected","version":"81adee47dfb608df3ad0b91d230fb3cef75f0060","versionType":"git"},{"lessThan":"d04cc16d3624218a5458b2b664ae431f1b3b334d","status":"affected","version":"81adee47dfb608df3ad0b91d230fb3cef75f0060","versionType":"git"},{"lessThan":"7b735ef81286007794a227ce2539419479c02a5f","status":"affected","version":"81adee47dfb608df3ad0b91d2…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:106db933f4fc6951f3d167d96b912ae9d23dbfea5288989ad9d215a20aeadd99 · sha256:d0999b275241771b… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/rtnetlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.33"},{"lessThan":"2.6.33","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:106db933f4fc6951f3d167d96b912ae9d23dbfea5288989ad9d215a20aeadd99 · sha256:d0999b275241771b… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/rtnetlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0975b64ffb34560042090a5986c3a02e6c80f36f","status":"affected","version":"81adee47dfb608df3ad0b91d230fb3cef75f0060","versionType":"git"},{"lessThan":"d04cc16d3624218a5458b2b664ae431f1b3b334d","status":"affected","version":"81adee47dfb608df3ad0b91d230fb3cef75f0060","versionType":"git"},{"lessThan":"7b735ef81286007794a227ce2539419479c02a5f","status":"affected","version":"81adee47dfb608df3ad0b91d2…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:106db933f4fc6951f3d167d96b912ae9d23dbfea5288989ad9d215a20aeadd99 · sha256:d0999b275241771b… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/rtnetlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.33"},{"lessThan":"2.6.33","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:106db933f4fc6951f3d167d96b912ae9d23dbfea5288989ad9d215a20aeadd99 · sha256:d0999b275241771b… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/0975b64ffb34560042090a5986c3a02e6c80f36f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:106db933f4fc6951f3d167d96b912ae9d23dbfea5288989ad9d215a20aeadd99 · sha256:d0999b275241771b… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/7b735ef81286007794a227ce2539419479c02a5f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:106db933f4fc6951f3d167d96b912ae9d23dbfea5288989ad9d215a20aeadd99 · sha256:d0999b275241771b… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d04cc16d3624218a5458b2b664ae431f1b3b334d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:106db933f4fc6951f3d167d96b912ae9d23dbfea5288989ad9d215a20aeadd99 · sha256:d0999b275241771b… · /containers/cna/references/1

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.

← Back to CVE Explorer