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CVE-2026-53248

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Fix use-after-free in metadata dst teardown airoha_metadata_dst_free() runs metadata_dst_free() which frees the metadata_dst with kfree() immediately, bypassing the RCU grace period. In the RX path, skb_dst_set_noref() sets a non-refcounted pointer from the skb to the metadata_dst. This function requires RCU read-side protection and the dst must remain valid until all RCU readers complete. Since metadata_dst_free(
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f9fcb156af121be444e3bb1be4e8932f65a6246f2263da1c48b3e097140d04ae
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/ethernet/airoha/airoha_eth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6f829e2c17a53a35321268339cd252aff6d6d723","status":"affected","version":"af3cf757d5c99011b9b94ea8d78aeaccc0153fdc","versionType":"git"},{"lessThan":"4b5a574e033e66d2131eff1c18feef8d8643c67e","status":"affected","version":"af3cf757d5c99011b9b94ea8d78aeaccc0153fdc","versionType":"git"},{"lessThan":"b38cae85d1c45ff189d7ecb6ac36f41cdc3d84d0","status":"affected","version":"af3cf…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/airoha/airoha_eth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_co…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/airoha/airoha_eth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6f829e2c17a53a35321268339cd252aff6d6d723","status":"affected","version":"af3cf757d5c99011b9b94ea8d78aeaccc0153fdc","versionType":"git"},{"lessThan":"4b5a574e033e66d2131eff1c18feef8d8643c67e","status":"affected","version":"af3cf757d5c99011b9b94ea8d78aeaccc0153fdc","versionType":"git"},{"lessThan":"b38cae85d1c45ff189d7ecb6ac36f41cdc3d84d0","status":"affected","version":"af3cf…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/airoha/airoha_eth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_co…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/4b5a574e033e66d2131eff1c18feef8d8643c67e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/6f829e2c17a53a35321268339cd252aff6d6d723"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b38cae85d1c45ff189d7ecb6ac36f41cdc3d84d0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:42963953675876de8d024a3c9f53fd497a39f665fe807baa7255a1eaa34b2bfe · sha256:a397d03db725b7a5… · /containers/cna/references/2

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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