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CVE-2022-50673 (GCVE-0-2022-50673)

Vulnerability from cvelistv5 – Published: 2025-12-09 01:29 – Updated: 2026-08-05 08:59
VLAI
Title
ext4: fix use-after-free in ext4_orphan_cleanup
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4_orphan_cleanup I caught a issue as follows: ================================================================== BUG: KASAN: use-after-free in __list_add_valid+0x28/0x1a0 Read of size 8 at addr ffff88814b13f378 by task mount/710 CPU: 1 PID: 710 Comm: mount Not tainted 6.1.0-rc3-next #370 Call Trace: <TASK> dump_stack_lvl+0x73/0x9f print_report+0x25d/0x759 kasan_report+0xc0/0x120 __asan_load8+0x99/0x140 __list_add_valid+0x28/0x1a0 ext4_orphan_cleanup+0x564/0x9d0 [ext4] __ext4_fill_super+0x48e2/0x5300 [ext4] ext4_fill_super+0x19f/0x3a0 [ext4] get_tree_bdev+0x27b/0x450 ext4_get_tree+0x19/0x30 [ext4] vfs_get_tree+0x49/0x150 path_mount+0xaae/0x1350 do_mount+0xe2/0x110 __x64_sys_mount+0xf0/0x190 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd </TASK> [...] ================================================================== Above issue may happen as follows: ------------------------------------- ext4_fill_super ext4_orphan_cleanup --- loop1: assume last_orphan is 12 --- list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan) ext4_truncate --> return 0 ext4_inode_attach_jinode --> return -ENOMEM iput(inode) --> free inode<12> --- loop2: last_orphan is still 12 --- list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan); // use inode<12> and trigger UAF To solve this issue, we need to propagate the return value of ext4_inode_attach_jinode() appropriately.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 15:48 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 7f801a1593cb957f73659732836b2dafbdfc7709 (git)
Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 026a4490b5381229a30f23d073b58e8e35ee6858 (git)
Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 7223d5e75f26352354ea2c0ccf8b579821b52adf (git)
Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < cf0e0817b0f925b70d101d7014ea81b7094e1159 (git)
Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < c2bdbd4c69308835d1b6f6ba74feeccbfe113478 (git)
Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 7908b8a541b1578cc61b4da7f19b604a931441da (git)
Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < a71248b1accb2b42e4980afef4fa4a27fa0e36f5 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.10
Unaffected: 0 , < 4.10 (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.87 , ≤ 5.15.* (semver)
Unaffected: 6.0.18 , ≤ 6.0.* (semver)
Unaffected: 6.1.4 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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              "value": "AV:L - The bug is reached only through the local VFS mount path (mount \u2192 ext4_fill_super \u2192 ext4_orphan_cleanup \u2192 ext4_process_orphan \u2192 ext4_truncate); it is not reachable from network protocol handlers or packet processing.\nAC:L - An attacker who crafts an ext4 image with truncate orphans (nlink\u003e0, non-block-aligned i_size) controls the on-disk state that forces the attach_jinode path; on memory-constrained deployments (Android/embedded/IoT) that ENOMEM is reliably inducible, after which orphan cleanup loops on the same inode and the UAF is deterministic.\nPR:N - No privileges on the target are required\u2014only a malicious ext4 image (USB/SD, disk image, or media presented to udisks/Android vold automount); the attacker need not hold CAP_SYS_ADMIN on the victim host.\nUI:R - ext4 lacks FS_USERNS_MOUNT and mount_capable() requires capable(CAP_SYS_ADMIN) in the init user namespace, so a user or automount daemon must mount the attacker-supplied image for the orphan-cleanup UAF to run.\nS:U - Impact is a host-kernel heap use-after-free during local mount/orphan cleanup within the same OS security authority; there is no VM escape, IOMMU bypass, or other cross-boundary effect.\nC:H - This is a confirmed KASAN use-after-free of an ext4 inode on the orphan list; per UAF guidance, reclaim of the freed object enables arbitrary kernel memory disclosure primitives.\nI:H - The UAF corrupts the orphan list via list_add on a freed inode and enables heap spraying/arbitrary write and control-flow hijack primitives, so integrity impact is High.\nA:H - The KASAN report shows a kernel oops on the freed inode during orphan cleanup, and the stuck s_last_orphan loop can hang or crash the mount path, yielding High availability impact."
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[ext4]\\n  get_tree_bdev+0x27b/0x450\\n  ext4_get_tree+0x19/0x30 [ext4]\\n  vfs_get_tree+0x49/0x150\\n  path_mount+0xaae/0x1350\\n  do_mount+0xe2/0x110\\n  __x64_sys_mount+0xf0/0x190\\n  do_syscall_64+0x35/0x80\\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n  \u003c/TASK\u003e\\n [...]\\n==================================================================\\n\\nAbove issue may happen as follows:\\n-------------------------------------\\next4_fill_super\\n  ext4_orphan_cleanup\\n   --- loop1: assume last_orphan is 12 ---\\n    list_add(\u0026EXT4_I(inode)-\u003ei_orphan, \u0026EXT4_SB(sb)-\u003es_orphan)\\n    ext4_truncate --\u003e return 0\\n      ext4_inode_attach_jinode --\u003e return -ENOMEM\\n    iput(inode) --\u003e free inode\u003c12\u003e\\n   --- loop2: last_orphan is still 12 ---\\n    list_add(\u0026EXT4_I(inode)-\u003ei_orphan, \u0026EXT4_SB(sb)-\u003es_orphan);\\n    // use inode\u003c12\u003e and trigger UAF\\n\\nTo solve this issue, we need to propagate the return value of\\next4_inode_attach_jinode() appropriately.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/ext4/inode.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\",\"lessThan\":\"7f801a1593cb957f73659732836b2dafbdfc7709\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\",\"lessThan\":\"026a4490b5381229a30f23d073b58e8e35ee6858\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\",\"lessThan\":\"7223d5e75f26352354ea2c0ccf8b579821b52adf\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\",\"lessThan\":\"cf0e0817b0f925b70d101d7014ea81b7094e1159\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\",\"lessThan\":\"c2bdbd4c69308835d1b6f6ba74feeccbfe113478\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\",\"lessThan\":\"7908b8a541b1578cc61b4da7f19b604a931441da\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\",\"lessThan\":\"a71248b1accb2b42e4980afef4fa4a27fa0e36f5\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/ext4/inode.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.10\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.10\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.270\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.229\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.163\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.87\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.0.18\",\"lessThanOrEqual\":\"6.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.4\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.2\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-16T15:48:47.172262Z\",\"id\":\"CVE-2022-50673\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/026a4490b5381229a30f23d073b58e8e35ee6858\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7223d5e75f26352354ea2c0ccf8b579821b52adf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7908b8a541b1578cc61b4da7f19b604a931441da\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7f801a1593cb957f73659732836b2dafbdfc7709\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a71248b1accb2b42e4980afef4fa4a27fa0e36f5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c2bdbd4c69308835d1b6f6ba74feeccbfe113478\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cf0e0817b0f925b70d101d7014ea81b7094e1159\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-13T19:35:58+00:00",
      "cve": "CVE-2022-50673",
      "id": "CVE-2022-50673",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "1192",
      "product_status:known_affected": "36",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ext4: fix use-after-free in ext4_orphan_cleanup",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50673.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-05T17:05:42Z",
      "cve": "CVE-2022-50673",
      "id": "CVE-2022-50673",
      "initial_release_date": "2025-12-10T00:38:14Z",
      "product_status:known_affected": "473",
      "product_status:known_not_affected": "208",
      "product_status:recommended": "258",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50673",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50673.json",
      "version": "33"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-50673\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-16T15:48:47.172262Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-16T15:48:56.301Z\"}}], \"cna\": {\"title\": \"ext4: fix use-after-free in ext4_orphan_cleanup\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\", \"lessThan\": \"7f801a1593cb957f73659732836b2dafbdfc7709\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\", \"lessThan\": \"026a4490b5381229a30f23d073b58e8e35ee6858\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\", \"lessThan\": \"7223d5e75f26352354ea2c0ccf8b579821b52adf\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\", \"lessThan\": \"cf0e0817b0f925b70d101d7014ea81b7094e1159\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\", \"lessThan\": \"c2bdbd4c69308835d1b6f6ba74feeccbfe113478\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\", \"lessThan\": \"7908b8a541b1578cc61b4da7f19b604a931441da\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2c98eb5ea249767bbc11cf4e70e91d5b0458ed13\", \"lessThan\": \"a71248b1accb2b42e4980afef4fa4a27fa0e36f5\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/ext4/inode.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.270\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.229\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.163\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.87\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.18\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/ext4/inode.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/7f801a1593cb957f73659732836b2dafbdfc7709\"}, {\"url\": \"https://git.kernel.org/stable/c/026a4490b5381229a30f23d073b58e8e35ee6858\"}, {\"url\": \"https://git.kernel.org/stable/c/7223d5e75f26352354ea2c0ccf8b579821b52adf\"}, {\"url\": \"https://git.kernel.org/stable/c/cf0e0817b0f925b70d101d7014ea81b7094e1159\"}, {\"url\": \"https://git.kernel.org/stable/c/c2bdbd4c69308835d1b6f6ba74feeccbfe113478\"}, {\"url\": \"https://git.kernel.org/stable/c/7908b8a541b1578cc61b4da7f19b604a931441da\"}, {\"url\": \"https://git.kernel.org/stable/c/a71248b1accb2b42e4980afef4fa4a27fa0e36f5\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\next4: fix use-after-free in ext4_orphan_cleanup\\n\\nI caught a issue as follows:\\n==================================================================\\n BUG: KASAN: use-after-free in __list_add_valid+0x28/0x1a0\\n Read of size 8 at addr ffff88814b13f378 by task mount/710\\n\\n CPU: 1 PID: 710 Comm: mount Not tainted 6.1.0-rc3-next #370\\n Call Trace:\\n  \u003cTASK\u003e\\n  dump_stack_lvl+0x73/0x9f\\n  print_report+0x25d/0x759\\n  kasan_report+0xc0/0x120\\n  __asan_load8+0x99/0x140\\n  __list_add_valid+0x28/0x1a0\\n  ext4_orphan_cleanup+0x564/0x9d0 [ext4]\\n  __ext4_fill_super+0x48e2/0x5300 [ext4]\\n  ext4_fill_super+0x19f/0x3a0 [ext4]\\n  get_tree_bdev+0x27b/0x450\\n  ext4_get_tree+0x19/0x30 [ext4]\\n  vfs_get_tree+0x49/0x150\\n  path_mount+0xaae/0x1350\\n  do_mount+0xe2/0x110\\n  __x64_sys_mount+0xf0/0x190\\n  do_syscall_64+0x35/0x80\\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n  \u003c/TASK\u003e\\n [...]\\n==================================================================\\n\\nAbove issue may happen as follows:\\n-------------------------------------\\next4_fill_super\\n  ext4_orphan_cleanup\\n   --- loop1: assume last_orphan is 12 ---\\n    list_add(\u0026EXT4_I(inode)-\u003ei_orphan, \u0026EXT4_SB(sb)-\u003es_orphan)\\n    ext4_truncate --\u003e return 0\\n      ext4_inode_attach_jinode --\u003e return -ENOMEM\\n    iput(inode) --\u003e free inode\u003c12\u003e\\n   --- loop2: last_orphan is still 12 ---\\n    list_add(\u0026EXT4_I(inode)-\u003ei_orphan, \u0026EXT4_SB(sb)-\u003es_orphan);\\n    // use inode\u003c12\u003e and trigger UAF\\n\\nTo solve this issue, we need to propagate the return value of\\next4_inode_attach_jinode() appropriately.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.270\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.229\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.163\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.87\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.18\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.4\", \"versionStartIncluding\": \"4.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2\", \"versionStartIncluding\": \"4.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T19:23:34.038Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-50673\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-16T15:49:02.082Z\", \"dateReserved\": \"2025-12-09T01:26:45.991Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-12-09T01:29:25.220Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.