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CVE-2026-23444

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure ieee80211_tx_prepare_skb() has three error paths, but only two of them free the skb. The first error path (ieee80211_tx_prepare() returning TX_DROP) does not free it, while invoke_tx_handlers() failure and the fragmentation check both do. Add kfree_skb() to the first error path so all three are consistent, and remove the now-redundant frees in callers (ath9
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2b4a11b97a1e9ee21509b4bc2ee45d8a87aa425715556193631523d1971c07fa
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/ath/ath9k/channel.c","drivers/net/wireless/mediatek/mt76/scan.c","drivers/net/wireless/virtual/mac80211_hwsim.c","include/net/mac80211.h","net/mac80211/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"905ef207d5ed99ca64adfe39fba9ac46e434327a","status":"affected","version":"06be6b149f7e406bcf16098567f5a6c9f042bced","versionType":"git"},{"lessThan":"5ef8ca1c164786da24169af155c1ca1ff1353cf8","status":"affected","version":"06be6b149f7e406bc…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath9k/channel.c","drivers/net/wireless/mediatek/mt76/scan.c","drivers/net/wireless/virtual/mac80211_hwsim.c","include/net/mac80211.h","net/mac80211/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"una…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath9k/channel.c","drivers/net/wireless/mediatek/mt76/scan.c","drivers/net/wireless/virtual/mac80211_hwsim.c","include/net/mac80211.h","net/mac80211/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"905ef207d5ed99ca64adfe39fba9ac46e434327a","status":"affected","version":"06be6b149f7e406bcf16098567f5a6c9f042bced","versionType":"git"},{"lessThan":"5ef8ca1c164786da24169af155c1ca1ff1353cf8","status":"affected","version":"06be6b149f7e406bc…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath9k/channel.c","drivers/net/wireless/mediatek/mt76/scan.c","drivers/net/wireless/virtual/mac80211_hwsim.c","include/net/mac80211.h","net/mac80211/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"una…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /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:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/06e769dddcbeb3baf2ce346273b53dd61fdbecf4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/3b4d27acafaeab478fd24f79ad6e593a892828b9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/50f1b690b4868923fbd242298def2fb88662f108"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/5ef8ca1c164786da24169af155c1ca1ff1353cf8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/905ef207d5ed99ca64adfe39fba9ac46e434327a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/9a779d1f480e83720b5384adf165604e7ee226bd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d5ad6ab61cbd89afdb60881f6274f74328af3ee9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/f77b51bcee7be2bb686b5f7a2d4a1921e4bdb9f4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a18f39045d42f2e471d93a8d7cad008cb365d0ea38131edadd4aab6ee912de · sha256:e301337975257536… · /containers/cna/references/3

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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