{"id":"CVE-2022-49053","summary":"scsi: target: tcmu: Fix possible page UAF","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: tcmu: Fix possible page UAF\n\ntcmu_try_get_data_page() looks up pages under cmdr_lock, but it does not\ntake refcount properly and just returns page pointer. When\ntcmu_try_get_data_page() returns, the returned page may have been freed by\ntcmu_blocks_release().\n\nWe need to get_page() under cmdr_lock to avoid concurrent\ntcmu_blocks_release().","modified":"2026-03-20T12:22:07.957260Z","published":"2025-02-26T01:54:26.806Z","related":["SUSE-SU-2025:03124-1","SUSE-SU-2025:03126-1","SUSE-SU-2025:03129-1","SUSE-SU-2025:03130-1","SUSE-SU-2025:03133-1","SUSE-SU-2025:03135-1","SUSE-SU-2025:03138-1","SUSE-SU-2025:03156-1","SUSE-SU-2025:03160-1","SUSE-SU-2025:03165-1","SUSE-SU-2025:03175-1","SUSE-SU-2025:03180-1","SUSE-SU-2025:03181-1","SUSE-SU-2025:03185-1","SUSE-SU-2025:03186-1","SUSE-SU-2025:03190-1","SUSE-SU-2025:03191-1","SUSE-SU-2025:03194-1","SUSE-SU-2025:03208-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1194-1","SUSE-SU-2025:1195-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1263-1","SUSE-SU-2025:1293-1","SUSE-SU-2025:4123-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49053.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/a6968f7a367f128d120447360734344d5a3d5336"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a9564d84ed9f6ee71017d062d0d2182154294a4b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aec36b98a1bbaa84bfd8299a306e4c12314af626"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b7f3b5d70c834f49f7d87a2f2ed1c6284d9a0322"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d7c5d79e50be6e06b669141e3db1f977a0dd4e8e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3e0e067d5b34e4a68e3cc55f8eebc413f56f8ed"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fb7a5115422fbd6a4d505e8844f1ef5529f10489"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49053.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49053"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"141685a39151aea95eb56562d2953e919c6c73da"},{"fixed":"d7c5d79e50be6e06b669141e3db1f977a0dd4e8e"},{"fixed":"e3e0e067d5b34e4a68e3cc55f8eebc413f56f8ed"},{"fixed":"fb7a5115422fbd6a4d505e8844f1ef5529f10489"},{"fixed":"aec36b98a1bbaa84bfd8299a306e4c12314af626"},{"fixed":"b7f3b5d70c834f49f7d87a2f2ed1c6284d9a0322"},{"fixed":"a9564d84ed9f6ee71017d062d0d2182154294a4b"},{"fixed":"a6968f7a367f128d120447360734344d5a3d5336"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49053.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}