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CVE-2026-31695

In the Linux kernel, the following vulnerability has been resolved: wifi: virt_wifi: remove SET_NETDEV_DEV to avoid use-after-free Currently we execute `SET_NETDEV_DEV(dev, &priv->lowerdev->dev)` for the virt_wifi net devices. However, unregistering a virt_wifi device in netdev_run_todo() can happen together with the device referenced by SET_NETDEV_DEV(). It can result in use-after-free during the ethtool operations performed on a virt_wifi device that is currently being unregistered. Such a
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ca9766a58c99a2044de7c95b0f1af5305a3fad9a8a5f30e54e00a8f4b9d20169
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/wireless/virtual/virt_wifi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e90f3e74e1ebc26c461a74be490d322716bcdcb4","status":"affected","version":"d43c65b05b848e0b2db1a6c78b02c189da3a95b5","versionType":"git"},{"lessThan":"dcb5915696bd7b32b6404a897c24ee47cb23e772","status":"affected","version":"d43c65b05b848e0b2db1a6c78b02c189da3a95b5","versionType":"git"},{"lessThan":"d1e3aa80e6e04410ba89eaaba4441a0d749d181d","status":"affected","version":"d43c6…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/virtual/virt_wifi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"s…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/virtual/virt_wifi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e90f3e74e1ebc26c461a74be490d322716bcdcb4","status":"affected","version":"d43c65b05b848e0b2db1a6c78b02c189da3a95b5","versionType":"git"},{"lessThan":"dcb5915696bd7b32b6404a897c24ee47cb23e772","status":"affected","version":"d43c65b05b848e0b2db1a6c78b02c189da3a95b5","versionType":"git"},{"lessThan":"d1e3aa80e6e04410ba89eaaba4441a0d749d181d","status":"affected","version":"d43c6…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/virtual/virt_wifi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"s…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /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:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/5adc01506da94dfaab76f3d1b8410a8ca7bfc59d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/5bbadf60b121065ffb267ec92018607b9c1c7524"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/789b06f9f39cdc7e895bdab2c034e39c41c8f8d6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/c5fa98842783ed227365d1303785de6a67020c8d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/d1e3aa80e6e04410ba89eaaba4441a0d749d181d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/dcb5915696bd7b32b6404a897c24ee47cb23e772"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e90f3e74e1ebc26c461a74be490d322716bcdcb4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:621af38163ff8096685d5f9dbd7ff96200b829ad5d4ea79111eec5c8de2aa1fd · sha256:3ae3259bb1e739e8… · /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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