{"id":"CVE-2022-50321","state":"PUBLISHED","title":"wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()\n\nThe brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb\nin case of pskb_expand_head() fails, add dev_kfree_skb() to fix it.\nCompile tested only.","publishedAt":"2025-09-15T14:48:54.808Z","updatedAt":"2026-05-11T19:17:03.264Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"4c55fdebc1c358de96bfab52ed309d58a3ba66ef","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"e5d01e85cf46628647cd696cb72ba4659b18967f","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"d869a189505224601e310c7769cb90b0e2f60b31","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"e08e6812efb6a8c676e733de0518594d1517e0d9","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"e8ef89e5b89ee041a94eecfb6c31fcc237f9168c","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"7f159116d620615779adbf88a5d94713702216d8","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"3a4d18318f473e97d628f410215b3fac32d07aed","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"212fde3fe76e962598ce1d47b97cc78afdfc71b3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/broadcom/brcm80211/brcmfmac/core.c"]}],"references":["https://git.kernel.org/stable/c/4c55fdebc1c358de96bfab52ed309d58a3ba66ef","https://git.kernel.org/stable/c/e5d01e85cf46628647cd696cb72ba4659b18967f","https://git.kernel.org/stable/c/d869a189505224601e310c7769cb90b0e2f60b31","https://git.kernel.org/stable/c/e08e6812efb6a8c676e733de0518594d1517e0d9","https://git.kernel.org/stable/c/e8ef89e5b89ee041a94eecfb6c31fcc237f9168c","https://git.kernel.org/stable/c/7f159116d620615779adbf88a5d94713702216d8","https://git.kernel.org/stable/c/3a4d18318f473e97d628f410215b3fac32d07aed","https://git.kernel.org/stable/c/212fde3fe76e962598ce1d47b97cc78afdfc71b3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50321.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50321","state":"PUBLISHED","datePublished":"2025-09-15T14:48:54.808Z","dateUpdated":"2026-05-11T19:17:03.264Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T14:18:36.814Z"},"containers":{"cna":{"title":"wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()\n\nThe brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb\nin case of pskb_expand_head() fails, add dev_kfree_skb() to fix it.\nCompile tested only."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"4c55fdebc1c358de96bfab52ed309d58a3ba66ef","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"e5d01e85cf46628647cd696cb72ba4659b18967f","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"d869a189505224601e310c7769cb90b0e2f60b31","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"e08e6812efb6a8c676e733de0518594d1517e0d9","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"e8ef89e5b89ee041a94eecfb6c31fcc237f9168c","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"7f159116d620615779adbf88a5d94713702216d8","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"3a4d18318f473e97d628f410215b3fac32d07aed","versionType":"git"},{"version":"270a6c1f65fe68a28a5d39cd405592c550b496c7","status":"affected","lessThan":"212fde3fe76e962598ce1d47b97cc78afdfc71b3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.13","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/broadcom/brcm80211/brcmfmac/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4c55fdebc1c358de96bfab52ed309d58a3ba66ef"},{"url":"https://git.kernel.org/stable/c/e5d01e85cf46628647cd696cb72ba4659b18967f"},{"url":"https://git.kernel.org/stable/c/d869a189505224601e310c7769cb90b0e2f60b31"},{"url":"https://git.kernel.org/stable/c/e08e6812efb6a8c676e733de0518594d1517e0d9"},{"url":"https://git.kernel.org/stable/c/e8ef89e5b89ee041a94eecfb6c31fcc237f9168c"},{"url":"https://git.kernel.org/stable/c/7f159116d620615779adbf88a5d94713702216d8"},{"url":"https://git.kernel.org/stable/c/3a4d18318f473e97d628f410215b3fac32d07aed"},{"url":"https://git.kernel.org/stable/c/212fde3fe76e962598ce1d47b97cc78afdfc71b3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:17:03.264Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"4.14.308"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.13","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}