{"id":"CVE-2022-50181","state":"PUBLISHED","title":"virtio-gpu: fix a missing check to avoid NULL dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-gpu: fix a missing check to avoid NULL dereference\n\n'cache_ent' could be set NULL inside virtio_gpu_cmd_get_capset()\nand it will lead to a NULL dereference by a lately use of it\n(i.e., ptr = cache_ent->caps_cache). Fix it with a NULL check.\n\n\n[ kraxel: minor codestyle fixup ]","publishedAt":"2025-06-18T11:03:30.273Z","updatedAt":"2026-05-11T19:14:21.650Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"259773fc874258606c0121767a4a27466ff337eb","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"39caef09666c1d8274abf9472c72bcac236dc5fb","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"adbdd21983fa292e53aec3eab97306b2961ea887","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"367882a5a9448b5e1ba756125308092d614cb96c","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"bd63f11f4c3c46afec07d821f74736161ff6e526","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/virtio/virtgpu_ioctl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","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":["drivers/gpu/drm/virtio/virtgpu_ioctl.c"]}],"references":["https://git.kernel.org/stable/c/259773fc874258606c0121767a4a27466ff337eb","https://git.kernel.org/stable/c/39caef09666c1d8274abf9472c72bcac236dc5fb","https://git.kernel.org/stable/c/adbdd21983fa292e53aec3eab97306b2961ea887","https://git.kernel.org/stable/c/367882a5a9448b5e1ba756125308092d614cb96c","https://git.kernel.org/stable/c/bd63f11f4c3c46afec07d821f74736161ff6e526"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50181.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50181","state":"PUBLISHED","datePublished":"2025-06-18T11:03:30.273Z","dateUpdated":"2026-05-11T19:14:21.650Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.427Z"},"containers":{"cna":{"title":"virtio-gpu: fix a missing check to avoid NULL dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-gpu: fix a missing check to avoid NULL dereference\n\n'cache_ent' could be set NULL inside virtio_gpu_cmd_get_capset()\nand it will lead to a NULL dereference by a lately use of it\n(i.e., ptr = cache_ent->caps_cache). Fix it with a NULL check.\n\n\n[ kraxel: minor codestyle fixup ]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"259773fc874258606c0121767a4a27466ff337eb","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"39caef09666c1d8274abf9472c72bcac236dc5fb","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"adbdd21983fa292e53aec3eab97306b2961ea887","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"367882a5a9448b5e1ba756125308092d614cb96c","versionType":"git"},{"version":"62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257","status":"affected","lessThan":"bd63f11f4c3c46afec07d821f74736161ff6e526","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/virtio/virtgpu_ioctl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","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":["drivers/gpu/drm/virtio/virtgpu_ioctl.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/259773fc874258606c0121767a4a27466ff337eb"},{"url":"https://git.kernel.org/stable/c/39caef09666c1d8274abf9472c72bcac236dc5fb"},{"url":"https://git.kernel.org/stable/c/adbdd21983fa292e53aec3eab97306b2961ea887"},{"url":"https://git.kernel.org/stable/c/367882a5a9448b5e1ba756125308092d614cb96c"},{"url":"https://git.kernel.org/stable/c/bd63f11f4c3c46afec07d821f74736161ff6e526"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:14:21.650Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}