CVE-2026-74408
CVE-2026-74408: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-74408] fix OOB access from firmware tx status queue ID
CVE-2026-74408Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: fix OOB access from firmware tx status queue ID ath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a 4-bit hardware field (0-15), but the txq array only has ATH9K_NUM_TX_QUEUES (10) entries. Add a bounds check on ts.qid before using it as an array index. This vulnerability arises from an out-of-bounds memory access within the `ath_tx_edma_tasklet()` function. An internal queue identifier, which is a 4-bit hardware field, can exceed the bounds of the transmit queue array. This can lead to memory corruption, potentially allowing a local attacker to cause a denial of service or, in more severe cases, execute arbitrary code. Red Hat severity: Moderate — CVSS 5.5…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
2 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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