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CVE-2026-23404

In the Linux kernel, the following vulnerability has been resolved: apparmor: replace recursive profile removal with iterative approach The profile removal code uses recursion when removing nested profiles, which can lead to kernel stack exhaustion and system crashes. Reproducer: $ pf='a'; for ((i=0; i<1024; i++)); do echo -e "profile $pf { \n }" | apparmor_parser -K -a; pf="$pf//x"; done $ echo -n a > /sys/kernel/security/apparmor/.remove Replace the recursive __aa_profile
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c3dadc06237659f4bd00e95cea27db24c3bbcca7df88f37ee94d1385834cc0d8
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":"affected","product":"Linux","programFiles":["security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.36"},{"lessThan":"2.6.36","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.169","versionType":"semver"},…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ea854f032190cc9f26dc4a0e727090c89e55e342","status":"affected","version":"c88d4c7b049e87998ac0a9f455aa545cc895ef92","versionType":"git"},{"lessThan":"4fdc847b107321dec22bf8ecd6019b7af76d7886","status":"affected","version":"c88d4c7b049e87998ac0a9f455aa545cc895ef92","versionType":"git"},{"lessThan":"b36a04284d0208be94e5e401409caa00e2bf1be1","status":"affected","version":"c88d4c7b049e87998ac…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.36"},{"lessThan":"2.6.36","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.169","versionType":"semver"},…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ea854f032190cc9f26dc4a0e727090c89e55e342","status":"affected","version":"c88d4c7b049e87998ac0a9f455aa545cc895ef92","versionType":"git"},{"lessThan":"4fdc847b107321dec22bf8ecd6019b7af76d7886","status":"affected","version":"c88d4c7b049e87998ac0a9f455aa545cc895ef92","versionType":"git"},{"lessThan":"b36a04284d0208be94e5e401409caa00e2bf1be1","status":"affected","version":"c88d4c7b049e87998ac…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/affected/0

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/33959a491e9fd557abfa5fce5ae4637d400915d3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/4fdc847b107321dec22bf8ecd6019b7af76d7886"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/7eade846e013cbe8d2dc4a484463aa19e6515c7f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/999bd704b0b641527a5ed46f0d969deff8cfa68b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/a6a941a1294ac5abe22053dc501d25aed96e48fe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/ab09264660f9de5d05d1ef4e225aa447c63a8747"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/b36a04284d0208be94e5e401409caa00e2bf1be1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ea854f032190cc9f26dc4a0e727090c89e55e342"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:768242ee1e3a18eadfb8bd56df80ec6e13892fd2637d1a47c3f3e5f8aad787b2 · sha256:a6222877a6d831c5… · /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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