{"id":"CVE-2022-49444","state":"PUBLISHED","title":"module: fix [e_shstrndx].sh_size=0 OOB access","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmodule: fix [e_shstrndx].sh_size=0 OOB access\n\nIt is trivial to craft a module to trigger OOB access in this line:\n\n\tif (info->secstrings[strhdr->sh_size - 1] != '\\0') {\n\nBUG: unable to handle page fault for address: ffffc90000aa0fff\nPGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0\nOops: 0000 [#1] PREEMPT SMP PTI\nCPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014\nRIP: 0010:load_module+0x19b/0x2391\n\n[rebased patch onto modules-next]","publishedAt":"2025-02-26T02:12:56.606Z","updatedAt":"2026-05-23T15:22:18.559Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"09cb6663618a74fe5572a4931ecbf098832e79ec","versionType":"git"},{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"921630e2e5124a04158129a8f22f4b425e61a858","versionType":"git"},{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"45a76414b6d8b8b39c23fea53b9d20e831ae72a0","versionType":"git"},{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"391e982bfa632b8315235d8be9c0a81374c6a19c","versionType":"git"},{"version":"05d891e76dde3e430c707dae7d85139794eeadbd","status":"affected","versionType":"git"},{"version":"d802672c7f00963613f289579073ac519f0d306c","status":"affected","versionType":"git"},{"version":"214aa69cac91a723239118bbbfe77d5654ddff6b","status":"affected","versionType":"git"},{"version":"5.4.110","status":"affected","lessThan":"5.5","versionType":"semver"},{"version":"5.10.26","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.11.3","status":"affected","lessThan":"5.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/module/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.54","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/module/main.c"]}],"references":["https://git.kernel.org/stable/c/09cb6663618a74fe5572a4931ecbf098832e79ec","https://git.kernel.org/stable/c/921630e2e5124a04158129a8f22f4b425e61a858","https://git.kernel.org/stable/c/45a76414b6d8b8b39c23fea53b9d20e831ae72a0","https://git.kernel.org/stable/c/391e982bfa632b8315235d8be9c0a81374c6a19c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49444.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49444","state":"PUBLISHED","datePublished":"2025-02-26T02:12:56.606Z","dateUpdated":"2026-05-23T15:22:18.559Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.571Z"},"containers":{"cna":{"title":"module: fix [e_shstrndx].sh_size=0 OOB access","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmodule: fix [e_shstrndx].sh_size=0 OOB access\n\nIt is trivial to craft a module to trigger OOB access in this line:\n\n\tif (info->secstrings[strhdr->sh_size - 1] != '\\0') {\n\nBUG: unable to handle page fault for address: ffffc90000aa0fff\nPGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0\nOops: 0000 [#1] PREEMPT SMP PTI\nCPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014\nRIP: 0010:load_module+0x19b/0x2391\n\n[rebased patch onto modules-next]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"09cb6663618a74fe5572a4931ecbf098832e79ec","versionType":"git"},{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"921630e2e5124a04158129a8f22f4b425e61a858","versionType":"git"},{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"45a76414b6d8b8b39c23fea53b9d20e831ae72a0","versionType":"git"},{"version":"ec2a29593c83ed71a7f16e3243941ebfcf75fdf6","status":"affected","lessThan":"391e982bfa632b8315235d8be9c0a81374c6a19c","versionType":"git"},{"version":"05d891e76dde3e430c707dae7d85139794eeadbd","status":"affected","versionType":"git"},{"version":"d802672c7f00963613f289579073ac519f0d306c","status":"affected","versionType":"git"},{"version":"214aa69cac91a723239118bbbfe77d5654ddff6b","status":"affected","versionType":"git"},{"version":"5.4.110","status":"affected","lessThan":"5.5","versionType":"semver"},{"version":"5.10.26","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.11.3","status":"affected","lessThan":"5.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/module/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.54","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/module/main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/09cb6663618a74fe5572a4931ecbf098832e79ec"},{"url":"https://git.kernel.org/stable/c/921630e2e5124a04158129a8f22f4b425e61a858"},{"url":"https://git.kernel.org/stable/c/45a76414b6d8b8b39c23fea53b9d20e831ae72a0"},{"url":"https://git.kernel.org/stable/c/391e982bfa632b8315235d8be9c0a81374c6a19c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:22:18.559Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.26"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}