{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68380","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-16T14:48:05.311Z","datePublished":"2025-12-24T10:33:08.266Z","dateUpdated":"2026-05-11T21:52:05.766Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:52:05.766Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix peer HE MCS assignment\n\nIn ath11k_wmi_send_peer_assoc_cmd(), peer's transmit MCS is sent to\nfirmware as receive MCS while peer's receive MCS sent as transmit MCS,\nwhich goes against firmwire's definition.\n\nWhile connecting to a misbehaved AP that advertises 0xffff (meaning not\nsupported) for 160 MHz transmit MCS map, firmware crashes due to 0xffff\nis assigned to he_mcs->rx_mcs_set field.\n\n\tExt Tag: HE Capabilities\n\t    [...]\n\t    Supported HE-MCS and NSS Set\n\t\t[...]\n\t        Rx and Tx MCS Maps 160 MHz\n\t\t    [...]\n\t            Tx HE-MCS Map 160 MHz: 0xffff\n\nSwap the assignment to fix this issue.\n\nAs the HE rate control mask is meant to limit our own transmit MCS, it\nneeds to go via he_mcs->rx_mcs_set field. With the aforementioned swapping\ndone, change is needed as well to apply it to the peer's receive MCS.\n\nTested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c","drivers/net/wireless/ath/ath11k/wmi.c"],"versions":[{"version":"61fe43e7216df6e9a912d831aafc7142fa20f280","lessThan":"92791290e4f6a1de25d35af792ab8918a70737f6","status":"affected","versionType":"git"},{"version":"61fe43e7216df6e9a912d831aafc7142fa20f280","lessThan":"4304bd7a334e981f189b9973056a58f84cc2b482","status":"affected","versionType":"git"},{"version":"61fe43e7216df6e9a912d831aafc7142fa20f280","lessThan":"097c870b91817779e5a312c6539099a884b1fe2b","status":"affected","versionType":"git"},{"version":"61fe43e7216df6e9a912d831aafc7142fa20f280","lessThan":"381096a417b7019896e93e86f4c585c592bf98e2","status":"affected","versionType":"git"},{"version":"61fe43e7216df6e9a912d831aafc7142fa20f280","lessThan":"6b1a0da75932353f66e710976ca85a7131f647ff","status":"affected","versionType":"git"},{"version":"61fe43e7216df6e9a912d831aafc7142fa20f280","lessThan":"4a013ca2d490c73c40588d62712ffaa432046a04","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c","drivers/net/wireless/ath/ath11k/wmi.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.1.160","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.120","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.63","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.13","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18.2","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.17.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/92791290e4f6a1de25d35af792ab8918a70737f6"},{"url":"https://git.kernel.org/stable/c/4304bd7a334e981f189b9973056a58f84cc2b482"},{"url":"https://git.kernel.org/stable/c/097c870b91817779e5a312c6539099a884b1fe2b"},{"url":"https://git.kernel.org/stable/c/381096a417b7019896e93e86f4c585c592bf98e2"},{"url":"https://git.kernel.org/stable/c/6b1a0da75932353f66e710976ca85a7131f647ff"},{"url":"https://git.kernel.org/stable/c/4a013ca2d490c73c40588d62712ffaa432046a04"}],"title":"wifi: ath11k: fix peer HE MCS assignment","x_generator":{"engine":"bippy-1.2.0"}}}}