{"id":"CVE-2022-48879","state":"PUBLISHED","title":"efi: fix NULL-deref in init error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nefi: fix NULL-deref in init error path\n\nIn cases where runtime services are not supported or have been disabled,\nthe runtime services workqueue will never have been allocated.\n\nDo not try to destroy the workqueue unconditionally in the unlikely\nevent that EFI initialisation fails to avoid dereferencing a NULL\npointer.","publishedAt":"2024-08-21T06:10:10.454Z","updatedAt":"2026-05-23T15:21:00.826Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2ff3c97b47521d6700cc6485c7935908dcd2c27c","status":"affected","lessThan":"585a0b2b3ae7903c6abee3087d09c69e955a7794","versionType":"git"},{"version":"5167f194da6947e19a3e970485ee3ccb44f7958d","status":"affected","lessThan":"5fcf75a8a4c3e7ee9122d143684083c9faf20452","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"4ca71bc0e1995d15486cd7b60845602a28399cb5","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"e2ea55564229e4bea1474af15b111b3a3043b76f","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"adc96d30f6503d30dc68670c013716f1d9fcc747","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"703c13fe3c9af557d312f5895ed6a5fda2711104","versionType":"git"},{"version":"f591a42b8f9a9d20e01d0462f4f55d2176ac52ec","status":"affected","versionType":"git"},{"version":"e6584124b9823151ef586d10dedf565ade50cea6","status":"affected","versionType":"git"},{"version":"4.19.142","status":"affected","lessThan":"4.19.270","versionType":"semver"},{"version":"5.4.61","status":"affected","lessThan":"5.4.229","versionType":"semver"},{"version":"5.7.18","status":"affected","lessThan":"5.8","versionType":"semver"},{"version":"5.8.4","status":"affected","lessThan":"5.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/efi/efi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.164","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.89","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.7","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/efi/efi.c"]}],"references":["https://git.kernel.org/stable/c/585a0b2b3ae7903c6abee3087d09c69e955a7794","https://git.kernel.org/stable/c/5fcf75a8a4c3e7ee9122d143684083c9faf20452","https://git.kernel.org/stable/c/4ca71bc0e1995d15486cd7b60845602a28399cb5","https://git.kernel.org/stable/c/e2ea55564229e4bea1474af15b111b3a3043b76f","https://git.kernel.org/stable/c/adc96d30f6503d30dc68670c013716f1d9fcc747","https://git.kernel.org/stable/c/703c13fe3c9af557d312f5895ed6a5fda2711104"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48879.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48879","state":"PUBLISHED","datePublished":"2024-08-21T06:10:10.454Z","dateUpdated":"2026-05-23T15:21:00.826Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-07-16T11:38:08.923Z"},"containers":{"cna":{"title":"efi: 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NULL\npointer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2ff3c97b47521d6700cc6485c7935908dcd2c27c","status":"affected","lessThan":"585a0b2b3ae7903c6abee3087d09c69e955a7794","versionType":"git"},{"version":"5167f194da6947e19a3e970485ee3ccb44f7958d","status":"affected","lessThan":"5fcf75a8a4c3e7ee9122d143684083c9faf20452","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"4ca71bc0e1995d15486cd7b60845602a28399cb5","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"e2ea55564229e4bea1474af15b111b3a3043b76f","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"adc96d30f6503d30dc68670c013716f1d9fcc747","versionType":"git"},{"version":"98086df8b70c06234a8f4290c46064e44dafa0ed","status":"affected","lessThan":"703c13fe3c9af557d312f5895ed6a5fda2711104","versionType":"git"},{"version":"f591a42b8f9a9d20e01d0462f4f55d2176ac52ec","status":"affected","versionType":"git"},{"version":"e6584124b9823151ef586d10dedf565ade50cea6","status":"affected","versionType":"git"},{"version":"4.19.142","status":"affected","lessThan":"4.19.270","versionType":"semver"},{"version":"5.4.61","status":"affected","lessThan":"5.4.229","versionType":"semver"},{"version":"5.7.18","status":"affected","lessThan":"5.8","versionType":"semver"},{"version":"5.8.4","status":"affected","lessThan":"5.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/efi/efi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.164","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.89","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.7","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/firmware/efi/efi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/585a0b2b3ae7903c6abee3087d09c69e955a7794"},{"url":"https://git.kernel.org/stable/c/5fcf75a8a4c3e7ee9122d143684083c9faf20452"},{"url":"https://git.kernel.org/stable/c/4ca71bc0e1995d15486cd7b60845602a28399cb5"},{"url":"https://git.kernel.org/stable/c/e2ea55564229e4bea1474af15b111b3a3043b76f"},{"url":"https://git.kernel.org/stable/c/adc96d30f6503d30dc68670c013716f1d9fcc747"},{"url":"https://git.kernel.org/stable/c/703c13fe3c9af557d312f5895ed6a5fda2711104"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:21:00.826Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.142","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.61","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.10.164"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.15.89"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.1.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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