{"id":"CVE-2022-49226","state":"PUBLISHED","title":"net: asix: add proper error handling of usb read errors","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: asix: add proper error handling of usb read errors\n\nSyzbot once again hit uninit value in asix driver. The problem still the\nsame -- asix_read_cmd() reads less bytes, than was requested by caller.\n\nSince all read requests are performed via asix_read_cmd() let's catch\nusb related error there and add __must_check notation to be sure all\ncallers actually check return value.\n\nSo, this patch adds sanity check inside asix_read_cmd(), that simply\nchecks if bytes read are not less, than was requested and adds missing\nerror handling of asix_read_cmd() all across the driver code.","publishedAt":"2025-02-26T01:55:55.716Z","updatedAt":"2026-05-11T18:55:35.216Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"b96a7265f763b37ff3138b9ca8122a950f13b00e","versionType":"git"},{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"9ea8d2fca8fea3b17005b4dc02f8ef15f7a2fb97","versionType":"git"},{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"662ff765470ad0d11a1153d6d8e99d69a98e60b4","versionType":"git"},{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"920a9fa27e7805499cfe78491b36fed2322c02ec","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/asix.h","drivers/net/usb/asix_common.c","drivers/net/usb/asix_devices.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/asix.h","drivers/net/usb/asix_common.c","drivers/net/usb/asix_devices.c"]}],"references":["https://git.kernel.org/stable/c/b96a7265f763b37ff3138b9ca8122a950f13b00e","https://git.kernel.org/stable/c/9ea8d2fca8fea3b17005b4dc02f8ef15f7a2fb97","https://git.kernel.org/stable/c/662ff765470ad0d11a1153d6d8e99d69a98e60b4","https://git.kernel.org/stable/c/920a9fa27e7805499cfe78491b36fed2322c02ec"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49226.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49226","state":"PUBLISHED","datePublished":"2025-02-26T01:55:55.716Z","dateUpdated":"2026-05-11T18:55:35.216Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.293Z"},"containers":{"cna":{"title":"net: asix: add proper error handling of usb read errors","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: asix: add proper error handling of usb read errors\n\nSyzbot once again hit uninit value in asix driver. The problem still the\nsame -- asix_read_cmd() reads less bytes, than was requested by caller.\n\nSince all read requests are performed via asix_read_cmd() let's catch\nusb related error there and add __must_check notation to be sure all\ncallers actually check return value.\n\nSo, this patch adds sanity check inside asix_read_cmd(), that simply\nchecks if bytes read are not less, than was requested and adds missing\nerror handling of asix_read_cmd() all across the driver code."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"b96a7265f763b37ff3138b9ca8122a950f13b00e","versionType":"git"},{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"9ea8d2fca8fea3b17005b4dc02f8ef15f7a2fb97","versionType":"git"},{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"662ff765470ad0d11a1153d6d8e99d69a98e60b4","versionType":"git"},{"version":"d9fe64e511144c1ee7d7555b4111f09dde9692ef","status":"affected","lessThan":"920a9fa27e7805499cfe78491b36fed2322c02ec","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/asix.h","drivers/net/usb/asix_common.c","drivers/net/usb/asix_devices.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/asix.h","drivers/net/usb/asix_common.c","drivers/net/usb/asix_devices.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b96a7265f763b37ff3138b9ca8122a950f13b00e"},{"url":"https://git.kernel.org/stable/c/9ea8d2fca8fea3b17005b4dc02f8ef15f7a2fb97"},{"url":"https://git.kernel.org/stable/c/662ff765470ad0d11a1153d6d8e99d69a98e60b4"},{"url":"https://git.kernel.org/stable/c/920a9fa27e7805499cfe78491b36fed2322c02ec"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:55:35.216Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}