{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54087", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:52.515Z", "datePublished": "2025-12-24T13:06:17.555Z", "dateUpdated": "2025-12-24T13:06:17.555Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T13:06:17.555Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: Fix possible null-ptr-deref in ubi_free_volume()\n\nIt willl cause null-ptr-deref in the following case:\n\nuif_init()\n ubi_add_volume()\n cdev_add() -> if it fails, call kill_volumes()\n device_register()\n\nkill_volumes() -> if ubi_add_volume() fails call this function\n ubi_free_volume()\n cdev_del()\n device_unregister() -> trying to delete a not added device,\n\t\t\t it causes null-ptr-deref\n\nSo in ubi_free_volume(), it delete devices whether they are added\nor not, it will causes null-ptr-deref.\n\nHandle the error case whlie calling ubi_add_volume() to fix this\nproblem. If add volume fails, set the corresponding vol to null,\nso it can not be accessed in kill_volumes() and release the\nresource in ubi_add_volume() error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mtd/ubi/build.c", "drivers/mtd/ubi/vmt.c"], "versions": [{"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "5558bcf1c58720ca6e9d6198d921cb3aa337f038", "status": "affected", "versionType": "git"}, {"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "45b2c5ca4d2edae70f19fdb086bd927840c4c309", "status": "affected", "versionType": "git"}, {"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "234c53e57424992e657e6f4acc00d3df0983176f", "status": "affected", "versionType": "git"}, {"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "fcbc795abe7897da4b5d2a6ab5010e36774b00c2", "status": "affected", "versionType": "git"}, {"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "5ec4c8aca5a221756a9007deadfea92795319fee", "status": "affected", "versionType": "git"}, {"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "2ea7195b195009ecf0046e55361f393ba96d02db", "status": "affected", "versionType": "git"}, {"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "9eccdb0760cbcb4427b5303a83a3007de998af51", "status": "affected", "versionType": "git"}, {"version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "lessThan": "c15859bfd326c10230f09cb48a17f8a35f190342", "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/mtd/ubi/build.c", "drivers/mtd/ubi/vmt.c"], "versions": [{"version": "2.6.22", "status": "affected"}, {"version": "0", "lessThan": "2.6.22", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.308", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.276", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.235", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.173", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.100", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.18", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.5", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "2.6.22", "versionEndExcluding": "4.14.308"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.22", "versionEndExcluding": "4.19.276"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.22", "versionEndExcluding": "5.4.235"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.22", "versionEndExcluding": "5.10.173"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.22", "versionEndExcluding": "5.15.100"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.22", "versionEndExcluding": "6.1.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.22", "versionEndExcluding": "6.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.22", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5558bcf1c58720ca6e9d6198d921cb3aa337f038"}, {"url": "https://git.kernel.org/stable/c/45b2c5ca4d2edae70f19fdb086bd927840c4c309"}, {"url": "https://git.kernel.org/stable/c/234c53e57424992e657e6f4acc00d3df0983176f"}, {"url": "https://git.kernel.org/stable/c/fcbc795abe7897da4b5d2a6ab5010e36774b00c2"}, {"url": "https://git.kernel.org/stable/c/5ec4c8aca5a221756a9007deadfea92795319fee"}, {"url": "https://git.kernel.org/stable/c/2ea7195b195009ecf0046e55361f393ba96d02db"}, {"url": "https://git.kernel.org/stable/c/9eccdb0760cbcb4427b5303a83a3007de998af51"}, {"url": "https://git.kernel.org/stable/c/c15859bfd326c10230f09cb48a17f8a35f190342"}], "title": "ubi: Fix possible null-ptr-deref in ubi_free_volume()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: Fix possible null-ptr-deref in ubi_free_volume()\n\nIt willl cause null-ptr-deref in the following case:\n\nuif_init()\n ubi_add_volume()\n cdev_add() -> if it fails, call kill_volumes()\n device_register()\n\nkill_volumes() -> if ubi_add_volume() fails call this function\n ubi_free_volume()\n cdev_del()\n device_unregister() -> trying to delete a not added device,\n\t\t\t it causes null-ptr-deref\n\nSo in ubi_free_volume(), it delete devices whether they are added\nor not, it will causes null-ptr-deref.\n\nHandle the error case whlie calling ubi_add_volume() to fix this\nproblem. If add volume fails, set the corresponding vol to null,\nso it can not be accessed in kill_volumes() and release the\nresource in ubi_add_volume() error path."}], "id": "CVE-2023-54087", "lastModified": "2025-12-24T13:16:10.557", "metrics": {}, "published": "2025-12-24T13:16:10.557", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/234c53e57424992e657e6f4acc00d3df0983176f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ea7195b195009ecf0046e55361f393ba96d02db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/45b2c5ca4d2edae70f19fdb086bd927840c4c309"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5558bcf1c58720ca6e9d6198d921cb3aa337f038"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5ec4c8aca5a221756a9007deadfea92795319fee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9eccdb0760cbcb4427b5303a83a3007de998af51"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c15859bfd326c10230f09cb48a17f8a35f190342"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fcbc795abe7897da4b5d2a6ab5010e36774b00c2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}