CVE-2026-74341
CVE-2026-74341: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-74341] fix heap overflow from oversized firmware HAL response
CVE-2026-74341Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix heap overflow from oversized firmware HAL response The firmware response dispatcher copies all synchronous HAL responses into the 4096-byte hal_buf without validating the response length. A response exceeding WCN36XX_HAL_BUF_SIZE causes a heap buffer overflow with firmware-controlled content. Add a bounds check on the response length. The firmware response dispatcher in this driver fails to validate the length of synchronous Hardware Abstraction Layer (HAL) responses. This allows an attacker to craft an oversized firmware response, leading to a heap buffer overflow. The overflow can result in the execution of arbitrary code or a denial of service. Red Hat severity: Moderate — CVSS 5.5…
- Affected products in this advisory
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- 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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