{"id":"CVE-2026-80941","state":"PUBLISHED","title":"wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()\n\nThe skb passed to the rtw_hci_tx_write() is expected to be freed when\nthe function fails, but the error path in rtw_txq_push_skb() does not\nfree the skb before returning. This can lead to a memory leak in\nrtw_txq_push() where a dequeued skb is passed to rtw_txq_push_skb().","publishedAt":"2026-09-11T19:42:13.854Z","updatedAt":"2026-10-19T08:45:25.151Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"e8fd57157ee7a9e2986a9218198a5c1b02f2310b","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"924e75a420a3000e9f189aed26f67556a62f2d57","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"68676ce3313b74326fbcf21c673728db4c19d3cf","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"c86199357a93b9182854cf805d7780a213fda937","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"6e95852f904edbabf411793093fcfd6f6d49ef27","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"7364713f0931ee45fdf0bea27103b40ccc94979a","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"51d8b35574721cf3fe744f46ebd9629916063fee","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"9f2948010764d708bda27369d09ce6f194abe8e3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw88/tx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw88/tx.c"]}],"references":["https://git.kernel.org/stable/c/e8fd57157ee7a9e2986a9218198a5c1b02f2310b","https://git.kernel.org/stable/c/924e75a420a3000e9f189aed26f67556a62f2d57","https://git.kernel.org/stable/c/68676ce3313b74326fbcf21c673728db4c19d3cf","https://git.kernel.org/stable/c/c86199357a93b9182854cf805d7780a213fda937","https://git.kernel.org/stable/c/6e95852f904edbabf411793093fcfd6f6d49ef27","https://git.kernel.org/stable/c/7364713f0931ee45fdf0bea27103b40ccc94979a","https://git.kernel.org/stable/c/51d8b35574721cf3fe744f46ebd9629916063fee","https://git.kernel.org/stable/c/9f2948010764d708bda27369d09ce6f194abe8e3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80941.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80941","state":"PUBLISHED","datePublished":"2026-09-11T19:42:13.854Z","dateUpdated":"2026-10-19T08:45:25.151Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.803Z"},"containers":{"cna":{"title":"wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()\n\nThe skb passed to the rtw_hci_tx_write() is expected to be freed when\nthe function fails, but the error path in rtw_txq_push_skb() does not\nfree the skb before returning. This can lead to a memory leak in\nrtw_txq_push() where a dequeued skb is passed to rtw_txq_push_skb()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"e8fd57157ee7a9e2986a9218198a5c1b02f2310b","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"924e75a420a3000e9f189aed26f67556a62f2d57","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"68676ce3313b74326fbcf21c673728db4c19d3cf","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"c86199357a93b9182854cf805d7780a213fda937","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"6e95852f904edbabf411793093fcfd6f6d49ef27","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"7364713f0931ee45fdf0bea27103b40ccc94979a","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"51d8b35574721cf3fe744f46ebd9629916063fee","versionType":"git"},{"version":"aaab5d0e673749f82ff34e5f15ea8a689789a9ce","status":"affected","lessThan":"9f2948010764d708bda27369d09ce6f194abe8e3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw88/tx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw88/tx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e8fd57157ee7a9e2986a9218198a5c1b02f2310b"},{"url":"https://git.kernel.org/stable/c/924e75a420a3000e9f189aed26f67556a62f2d57"},{"url":"https://git.kernel.org/stable/c/68676ce3313b74326fbcf21c673728db4c19d3cf"},{"url":"https://git.kernel.org/stable/c/c86199357a93b9182854cf805d7780a213fda937"},{"url":"https://git.kernel.org/stable/c/6e95852f904edbabf411793093fcfd6f6d49ef27"},{"url":"https://git.kernel.org/stable/c/7364713f0931ee45fdf0bea27103b40ccc94979a"},{"url":"https://git.kernel.org/stable/c/51d8b35574721cf3fe744f46ebd9629916063fee"},{"url":"https://git.kernel.org/stable/c/9f2948010764d708bda27369d09ce6f194abe8e3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:45:25.151Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}