{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50499", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-04T15:39:19.464Z", "datePublished": "2025-10-04T15:43:50.064Z", "dateUpdated": "2025-10-04T15:43:50.064Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-04T15:43:50.064Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-core: Fix double free in dvb_register_device()\n\nIn function dvb_register_device() -> dvb_register_media_device() ->\ndvb_create_media_entity(), dvb->entity is allocated and initialized. If\nthe initialization fails, it frees the dvb->entity, and return an error\ncode. The caller takes the error code and handles the error by calling\ndvb_media_device_free(), which unregisters the entity and frees the\nfield again if it is not NULL. As dvb->entity may not NULLed in\ndvb_create_media_entity() when the allocation of dvbdev->pad fails, a\ndouble free may occur. This may also cause an Use After free in\nmedia_device_unregister_entity().\n\nFix this by storing NULL to dvb->entity when it is freed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/dvb-core/dvbdev.c"], "versions": [{"version": "9db28659aa893c68f162b11fd63bb7f6a713e52f", "lessThan": "0588b12c418c3e4f927ced11f27b02ef4a5bfb07", "status": "affected", "versionType": "git"}, {"version": "1399a136127bfe1b9bb7c951d9851da62a519121", "lessThan": "e9a78485b658361fab6a5547377be6c1af6f1b3d", "status": "affected", "versionType": "git"}, {"version": "4df2427a5148093987437054bb82da4d014dcd59", "lessThan": "70bc51303871159796b55ba1a8f16637b46c2511", "status": "affected", "versionType": "git"}, {"version": "fcd5ce4b3936242e6679875a4d3c3acfc8743e15", "lessThan": "b21f62b49ee9c3e0216d685d9cfd6003e5727271", "status": "affected", "versionType": "git"}, {"version": "fcd5ce4b3936242e6679875a4d3c3acfc8743e15", "lessThan": "7dd5a68cdbbbe7fc67ba701cb52ba10d8ba149f8", "status": "affected", "versionType": "git"}, {"version": "fcd5ce4b3936242e6679875a4d3c3acfc8743e15", "lessThan": "acf984a3718c2458eb9e08b6714490a04f213c58", "status": "affected", "versionType": "git"}, {"version": "fcd5ce4b3936242e6679875a4d3c3acfc8743e15", "lessThan": "772892b29ac50c2c5e918fc80104aa6ede81d837", "status": "affected", "versionType": "git"}, {"version": "fcd5ce4b3936242e6679875a4d3c3acfc8743e15", "lessThan": "123eddf92a114e03919942641d2c2b1f4ca56ea6", "status": "affected", "versionType": "git"}, {"version": "fcd5ce4b3936242e6679875a4d3c3acfc8743e15", "lessThan": "6b0d0477fce747d4137aa65856318b55fba72198", "status": "affected", "versionType": "git"}, {"version": "8c17f6f5d0d6aab72a2af25c9911ac66e984be06", "status": "affected", "versionType": "git"}, {"version": "202be5d6e46f682b9d1d79cd4dc6ab726e62ef1c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/dvb-core/dvbdev.c"], "versions": [{"version": "5.4", "status": "affected"}, {"version": "0", "lessThan": "5.4", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.337", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.303", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.87", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.18", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.4", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.195", "versionEndExcluding": "4.9.337"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.147", "versionEndExcluding": "4.14.303"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.77", "versionEndExcluding": "4.19.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.15.87"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.0.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0588b12c418c3e4f927ced11f27b02ef4a5bfb07"}, {"url": "https://git.kernel.org/stable/c/e9a78485b658361fab6a5547377be6c1af6f1b3d"}, {"url": "https://git.kernel.org/stable/c/70bc51303871159796b55ba1a8f16637b46c2511"}, {"url": "https://git.kernel.org/stable/c/b21f62b49ee9c3e0216d685d9cfd6003e5727271"}, {"url": "https://git.kernel.org/stable/c/7dd5a68cdbbbe7fc67ba701cb52ba10d8ba149f8"}, {"url": "https://git.kernel.org/stable/c/acf984a3718c2458eb9e08b6714490a04f213c58"}, {"url": "https://git.kernel.org/stable/c/772892b29ac50c2c5e918fc80104aa6ede81d837"}, {"url": "https://git.kernel.org/stable/c/123eddf92a114e03919942641d2c2b1f4ca56ea6"}, {"url": "https://git.kernel.org/stable/c/6b0d0477fce747d4137aa65856318b55fba72198"}], "title": "media: dvb-core: Fix double free in dvb_register_device()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-core: Fix double free in dvb_register_device()\n\nIn function dvb_register_device() -> dvb_register_media_device() ->\ndvb_create_media_entity(), dvb->entity is allocated and initialized. If\nthe initialization fails, it frees the dvb->entity, and return an error\ncode. The caller takes the error code and handles the error by calling\ndvb_media_device_free(), which unregisters the entity and frees the\nfield again if it is not NULL. As dvb->entity may not NULLed in\ndvb_create_media_entity() when the allocation of dvbdev->pad fails, a\ndouble free may occur. This may also cause an Use After free in\nmedia_device_unregister_entity().\n\nFix this by storing NULL to dvb->entity when it is freed."}], "id": "CVE-2022-50499", "lastModified": "2025-10-04T16:15:47.027", "metrics": {}, "published": "2025-10-04T16:15:47.027", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0588b12c418c3e4f927ced11f27b02ef4a5bfb07"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/123eddf92a114e03919942641d2c2b1f4ca56ea6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b0d0477fce747d4137aa65856318b55fba72198"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/70bc51303871159796b55ba1a8f16637b46c2511"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/772892b29ac50c2c5e918fc80104aa6ede81d837"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7dd5a68cdbbbe7fc67ba701cb52ba10d8ba149f8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/acf984a3718c2458eb9e08b6714490a04f213c58"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b21f62b49ee9c3e0216d685d9cfd6003e5727271"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e9a78485b658361fab6a5547377be6c1af6f1b3d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}