{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50770", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:21.546Z", "datePublished": "2025-12-24T13:05:59.700Z", "dateUpdated": "2025-12-24T13:05:59.700Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T13:05:59.700Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix memory leak in ocfs2_mount_volume()\n\nThere is a memory leak reported by kmemleak:\n\n unreferenced object 0xffff88810cc65e60 (size 32):\n comm \"mount.ocfs2\", pid 23753, jiffies 4302528942 (age 34735.105s)\n hex dump (first 32 bytes):\n 10 00 00 00 00 00 00 00 00 01 01 01 01 01 01 01 ................\n 01 01 01 01 01 01 01 01 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<ffffffff8170f73d>] __kmalloc+0x4d/0x150\n [<ffffffffa0ac3f51>] ocfs2_compute_replay_slots+0x121/0x330 [ocfs2]\n [<ffffffffa0b65165>] ocfs2_check_volume+0x485/0x900 [ocfs2]\n [<ffffffffa0b68129>] ocfs2_mount_volume.isra.0+0x1e9/0x650 [ocfs2]\n [<ffffffffa0b7160b>] ocfs2_fill_super+0xe0b/0x1740 [ocfs2]\n [<ffffffff818e1fe2>] mount_bdev+0x312/0x400\n [<ffffffff819a086d>] legacy_get_tree+0xed/0x1d0\n [<ffffffff818de82d>] vfs_get_tree+0x7d/0x230\n [<ffffffff81957f92>] path_mount+0xd62/0x1760\n [<ffffffff81958a5a>] do_mount+0xca/0xe0\n [<ffffffff81958d3c>] __x64_sys_mount+0x12c/0x1a0\n [<ffffffff82f26f15>] do_syscall_64+0x35/0x80\n [<ffffffff8300006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThis call stack is related to two problems. Firstly, the ocfs2 super uses\n\"replay_map\" to trace online/offline slots, in order to recover offline\nslots during recovery and mount. But when ocfs2_truncate_log_init()\nreturns an error in ocfs2_mount_volume(), the memory of \"replay_map\" will\nnot be freed in error handling path. Secondly, the memory of \"replay_map\"\nwill not be freed if d_make_root() returns an error in ocfs2_fill_super().\nBut the memory of \"replay_map\" will be freed normally when completing\nrecovery and mount in ocfs2_complete_mount_recovery().\n\nFix the first problem by adding error handling path to free \"replay_map\"\nwhen ocfs2_truncate_log_init() fails. And fix the second problem by\ncalling ocfs2_free_replay_slots(osb) in the error handling path\n\"out_dismount\". In addition, since ocfs2_free_replay_slots() is static,\nit is necessary to remove its static attribute and declare it in header\nfile."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ocfs2/journal.c", "fs/ocfs2/journal.h", "fs/ocfs2/super.c"], "versions": [{"version": "9140db04ef185f934acf2b1b15b3dd5e6a6bfc22", "lessThan": "7ef516888c4d30ae41bfcd79e7077d86d92794c5", "status": "affected", "versionType": "git"}, {"version": "9140db04ef185f934acf2b1b15b3dd5e6a6bfc22", "lessThan": "2b7e59ed2e77136e9360274f8f0fc208a003e95c", "status": "affected", "versionType": "git"}, {"version": "9140db04ef185f934acf2b1b15b3dd5e6a6bfc22", "lessThan": "8059e200259e9c483d715fc2df6340c227c3e196", "status": "affected", "versionType": "git"}, {"version": "9140db04ef185f934acf2b1b15b3dd5e6a6bfc22", "lessThan": "4efe1d2db731bad19891e2fb9b338724b1f598cc", "status": "affected", "versionType": "git"}, {"version": "9140db04ef185f934acf2b1b15b3dd5e6a6bfc22", "lessThan": "50ab0ca3aff4da26037113d69f5a756d8c1a92cd", "status": "affected", "versionType": "git"}, {"version": "9140db04ef185f934acf2b1b15b3dd5e6a6bfc22", "lessThan": "ce2fcf1516d674a174d9b34d1e1024d64de9fba3", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ocfs2/journal.c", "fs/ocfs2/journal.h", "fs/ocfs2/super.c"], "versions": [{"version": "2.6.30", "status": "affected"}, {"version": "0", "lessThan": "2.6.30", "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": "5.15.107", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "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": "2.6.30", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "5.15.107"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7ef516888c4d30ae41bfcd79e7077d86d92794c5"}, {"url": "https://git.kernel.org/stable/c/2b7e59ed2e77136e9360274f8f0fc208a003e95c"}, {"url": "https://git.kernel.org/stable/c/8059e200259e9c483d715fc2df6340c227c3e196"}, {"url": "https://git.kernel.org/stable/c/4efe1d2db731bad19891e2fb9b338724b1f598cc"}, {"url": "https://git.kernel.org/stable/c/50ab0ca3aff4da26037113d69f5a756d8c1a92cd"}, {"url": "https://git.kernel.org/stable/c/ce2fcf1516d674a174d9b34d1e1024d64de9fba3"}], "title": "ocfs2: fix memory leak in ocfs2_mount_volume()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix memory leak in ocfs2_mount_volume()\n\nThere is a memory leak reported by kmemleak:\n\n unreferenced object 0xffff88810cc65e60 (size 32):\n comm \"mount.ocfs2\", pid 23753, jiffies 4302528942 (age 34735.105s)\n hex dump (first 32 bytes):\n 10 00 00 00 00 00 00 00 00 01 01 01 01 01 01 01 ................\n 01 01 01 01 01 01 01 01 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<ffffffff8170f73d>] __kmalloc+0x4d/0x150\n [<ffffffffa0ac3f51>] ocfs2_compute_replay_slots+0x121/0x330 [ocfs2]\n [<ffffffffa0b65165>] ocfs2_check_volume+0x485/0x900 [ocfs2]\n [<ffffffffa0b68129>] ocfs2_mount_volume.isra.0+0x1e9/0x650 [ocfs2]\n [<ffffffffa0b7160b>] ocfs2_fill_super+0xe0b/0x1740 [ocfs2]\n [<ffffffff818e1fe2>] mount_bdev+0x312/0x400\n [<ffffffff819a086d>] legacy_get_tree+0xed/0x1d0\n [<ffffffff818de82d>] vfs_get_tree+0x7d/0x230\n [<ffffffff81957f92>] path_mount+0xd62/0x1760\n [<ffffffff81958a5a>] do_mount+0xca/0xe0\n [<ffffffff81958d3c>] __x64_sys_mount+0x12c/0x1a0\n [<ffffffff82f26f15>] do_syscall_64+0x35/0x80\n [<ffffffff8300006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThis call stack is related to two problems. Firstly, the ocfs2 super uses\n\"replay_map\" to trace online/offline slots, in order to recover offline\nslots during recovery and mount. But when ocfs2_truncate_log_init()\nreturns an error in ocfs2_mount_volume(), the memory of \"replay_map\" will\nnot be freed in error handling path. Secondly, the memory of \"replay_map\"\nwill not be freed if d_make_root() returns an error in ocfs2_fill_super().\nBut the memory of \"replay_map\" will be freed normally when completing\nrecovery and mount in ocfs2_complete_mount_recovery().\n\nFix the first problem by adding error handling path to free \"replay_map\"\nwhen ocfs2_truncate_log_init() fails. And fix the second problem by\ncalling ocfs2_free_replay_slots(osb) in the error handling path\n\"out_dismount\". In addition, since ocfs2_free_replay_slots() is static,\nit is necessary to remove its static attribute and declare it in header\nfile."}], "id": "CVE-2022-50770", "lastModified": "2025-12-29T15:58:34.503", "metrics": {}, "published": "2025-12-24T13:16:03.813", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b7e59ed2e77136e9360274f8f0fc208a003e95c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4efe1d2db731bad19891e2fb9b338724b1f598cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/50ab0ca3aff4da26037113d69f5a756d8c1a92cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7ef516888c4d30ae41bfcd79e7077d86d92794c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8059e200259e9c483d715fc2df6340c227c3e196"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ce2fcf1516d674a174d9b34d1e1024d64de9fba3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ocfs2: fix memory leak in ocfs2_mount_volume()", "id": "2425112", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425112"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2022-50770", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50770\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50770\nhttps://lore.kernel.org/linux-cve-announce/2025122458-CVE-2022-50770-ba3b@gregkh/T"]}

{}