CVE Explorer

CVE-2026-53247

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: Fix use-after-free in metadata dst teardown mtk_free_dev() calls 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_f

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9d81e7771b654de42c7f26a3219a4480cc2d4059a9f74a690342416e5da06465

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/mediatek/mtk_eth_soc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.2"},{"lessThan":"6.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/mediatek/mtk_eth_soc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"72775977e89c25c99ee84d2c5baa3f86a8ba5cb4","status":"affected","version":"2d7605a729062bb554f03c5983d8cfb8c0b42e9c","versionType":"git"},{"lessThan":"459c6f35c58cf0fd5247e55d73ddaa29571d9b7e","status":"affected","version":"2d7605a729062bb554f03c5983d8cfb8c0b42e9c","versionType":"git"},{"lessThan":"e634408d2b0cd939cfe019398a21fb47b7a8ffe3","status":"affected","version":"2d…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions

{"url":"https://git.kernel.org/stable/c/2d86aeb46d5f69c704065a8c69822582787272a1"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/459c6f35c58cf0fd5247e55d73ddaa29571d9b7e"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/72775977e89c25c99ee84d2c5baa3f86a8ba5cb4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/80df409e1a483676826a6c66e693dba6ac507751"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/e634408d2b0cd939cfe019398a21fb47b7a8ffe3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:65b8550db19de6d3c297b0d738bdd899b638a367d880a8e57b7d1c188d02f374 · sha256:8697449e8fd00687… · /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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