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CVE-2026-46055

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix string overrun due to missing termination When booting Ubuntu 26.04 with Linux 7.0-rc4 on an ARM64 Qualcomm Snapdragon X1 we see a string buffer overrun: BUG: KASAN: slab-out-of-bounds in aa_dfa_match (security/apparmor/match.c:535) Read of size 1 at addr ffff0008901cc000 by task snap-update-ns/2120 CPU: 5 UID: 60578 PID: 2120 Comm: snap-update-ns Not tainted 7.0.0-rc4+ #22 PREEMPTLAZY Hardware name: LENOVO 83E
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:266d210a65d116fece16b55f3a0cb1125ffba652d5e4581fa93133a16a7d5212
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/path.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:04ca49d6a18140adab8a4c60dec9efa517ef3360f45b91782b9b784c87cdcd97 · sha256:704bcf5e4e606d11… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/path.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4b877ef27adc8ec187b0418629169856e7264e01","status":"affected","version":"93d4dbdc8da0b8a3ba86f4a08868084f8da872e1","versionType":"git"},{"lessThan":"828bf7929bedcb79b560b5b4e44f22abee07d31b","status":"affected","version":"93d4dbdc8da0b8a3ba86f4a08868084f8da872e1","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:04ca49d6a18140adab8a4c60dec9efa517ef3360f45b91782b9b784c87cdcd97 · sha256:704bcf5e4e606d11… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["security/apparmor/path.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:04ca49d6a18140adab8a4c60dec9efa517ef3360f45b91782b9b784c87cdcd97 · sha256:704bcf5e4e606d11… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/apparmor/path.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4b877ef27adc8ec187b0418629169856e7264e01","status":"affected","version":"93d4dbdc8da0b8a3ba86f4a08868084f8da872e1","versionType":"git"},{"lessThan":"828bf7929bedcb79b560b5b4e44f22abee07d31b","status":"affected","version":"93d4dbdc8da0b8a3ba86f4a08868084f8da872e1","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:04ca49d6a18140adab8a4c60dec9efa517ef3360f45b91782b9b784c87cdcd97 · sha256:704bcf5e4e606d11… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:04ca49d6a18140adab8a4c60dec9efa517ef3360f45b91782b9b784c87cdcd97 · sha256:704bcf5e4e606d11… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/4b877ef27adc8ec187b0418629169856e7264e01"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04ca49d6a18140adab8a4c60dec9efa517ef3360f45b91782b9b784c87cdcd97 · sha256:704bcf5e4e606d11… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/828bf7929bedcb79b560b5b4e44f22abee07d31b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04ca49d6a18140adab8a4c60dec9efa517ef3360f45b91782b9b784c87cdcd97 · sha256:704bcf5e4e606d11… · /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.

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