{"id":"CVE-2022-50074","state":"PUBLISHED","title":"apparmor: Fix memleak in aa_simple_write_to_buffer()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: Fix memleak in aa_simple_write_to_buffer()\n\nWhen copy_from_user failed, the memory is freed by kvfree. however the\nmanagement struct and data blob are allocated independently, so only\nkvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to\nfix this issue.","publishedAt":"2025-06-18T11:02:18.140Z","updatedAt":"2026-05-11T19:12:21.811Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"6500eb3a48ac221051b1791818a1ac74744ef617","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"7db182a2ebeefded86fea542fcc5d6a68bb77f58","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"8aab4295582eb397a125d2788b829fa62b88dbf7","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"bf7ebebce2c25071c719fd8a2f1307e0c243c2d7","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"6583edbf459de2e06b9759f264c0ae27e452b97a","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"417ea9fe972d2654a268ad66e89c8fcae67017c3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/apparmorfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/apparmorfs.c"]}],"references":["https://git.kernel.org/stable/c/6500eb3a48ac221051b1791818a1ac74744ef617","https://git.kernel.org/stable/c/7db182a2ebeefded86fea542fcc5d6a68bb77f58","https://git.kernel.org/stable/c/8aab4295582eb397a125d2788b829fa62b88dbf7","https://git.kernel.org/stable/c/bf7ebebce2c25071c719fd8a2f1307e0c243c2d7","https://git.kernel.org/stable/c/6583edbf459de2e06b9759f264c0ae27e452b97a","https://git.kernel.org/stable/c/417ea9fe972d2654a268ad66e89c8fcae67017c3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50074.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50074","state":"PUBLISHED","datePublished":"2025-06-18T11:02:18.140Z","dateUpdated":"2026-05-11T19:12:21.811Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.408Z"},"containers":{"cna":{"title":"apparmor: Fix memleak in aa_simple_write_to_buffer()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: Fix memleak in aa_simple_write_to_buffer()\n\nWhen copy_from_user failed, the memory is freed by kvfree. however the\nmanagement struct and data blob are allocated independently, so only\nkvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to\nfix this issue."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"6500eb3a48ac221051b1791818a1ac74744ef617","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"7db182a2ebeefded86fea542fcc5d6a68bb77f58","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"8aab4295582eb397a125d2788b829fa62b88dbf7","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"bf7ebebce2c25071c719fd8a2f1307e0c243c2d7","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"6583edbf459de2e06b9759f264c0ae27e452b97a","versionType":"git"},{"version":"a6a52579e52b55448326db88bd9a5740e7c1a037","status":"affected","lessThan":"417ea9fe972d2654a268ad66e89c8fcae67017c3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/apparmorfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/apparmor/apparmorfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6500eb3a48ac221051b1791818a1ac74744ef617"},{"url":"https://git.kernel.org/stable/c/7db182a2ebeefded86fea542fcc5d6a68bb77f58"},{"url":"https://git.kernel.org/stable/c/8aab4295582eb397a125d2788b829fa62b88dbf7"},{"url":"https://git.kernel.org/stable/c/bf7ebebce2c25071c719fd8a2f1307e0c243c2d7"},{"url":"https://git.kernel.org/stable/c/6583edbf459de2e06b9759f264c0ae27e452b97a"},{"url":"https://git.kernel.org/stable/c/417ea9fe972d2654a268ad66e89c8fcae67017c3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:12:21.811Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.10.138"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.15.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}