{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-50699",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50699",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T10:55:15.468Z",
    "updatedAt": "2026-05-11T19:23:44.480Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "selinux: enable use of both GFP_KERNEL and GFP_ATOMIC in convert_context()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: enable use of both GFP_KERNEL and GFP_ATOMIC in convert_context()\n\nThe following warning was triggered on a hardware environment:\n\n  SELinux: Converting 162 SID table entries...\n  BUG: sleeping function called from invalid context at\n       __might_sleep+0x60/0x74 0x0\n  in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 5943, name: tar\n  CPU: 7 PID: 5943 Comm: tar Tainted: P O 5.10.0 #1\n  Call trace:\n   dump_backtrace+0x0/0x1c8\n   show_stack+0x18/0x28\n   dump_stack+0xe8/0x15c\n   ___might_sleep+0x168/0x17c\n   __might_sleep+0x60/0x74\n   __kmalloc_track_caller+0xa0/0x7dc\n   kstrdup+0x54/0xac\n   convert_context+0x48/0x2e4\n   sidtab_context_to_sid+0x1c4/0x36c\n   security_context_to_sid_core+0x168/0x238\n   security_context_to_sid_default+0x14/0x24\n   inode_doinit_use_xattr+0x164/0x1e4\n   inode_doinit_with_dentry+0x1c0/0x488\n   selinux_d_instantiate+0x20/0x34\n   security_d_instantiate+0x70/0xbc\n   d_splice_alias+0x4c/0x3c0\n   ext4_lookup+0x1d8/0x200 [ext4]\n   __lookup_slow+0x12c/0x1e4\n   walk_component+0x100/0x200\n   path_lookupat+0x88/0x118\n   filename_lookup+0x98/0x130\n   user_path_at_empty+0x48/0x60\n   vfs_statx+0x84/0x140\n   vfs_fstatat+0x20/0x30\n   __se_sys_newfstatat+0x30/0x74\n   __arm64_sys_newfstatat+0x1c/0x2c\n   el0_svc_common.constprop.0+0x100/0x184\n   do_el0_svc+0x1c/0x2c\n   el0_svc+0x20/0x34\n   el0_sync_handler+0x80/0x17c\n   el0_sync+0x13c/0x140\n  SELinux: Context system_u:object_r:pssp_rsyslog_log_t:s0:c0 is\n           not valid (left unmapped).\n\nIt was found that within a critical section of spin_lock_irqsave in\nsidtab_context_to_sid(), convert_context() (hooked by\nsidtab_convert_params.func) might cause the process to sleep via\nallocating memory with GFP_KERNEL, which is problematic.\n\nAs Ondrej pointed out [1], convert_context()/sidtab_convert_params.func\nhas another caller sidtab_convert_tree(), which is okay with GFP_KERNEL.\nTherefore, fix this problem by adding a gfp_t argument for\nconvert_context()/sidtab_convert_params.func and pass GFP_KERNEL/_ATOMIC\nproperly in individual callers.\n\n[PM: wrap long BUG() output lines, tweak subject line]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2723875e9d677401d775a03a72abab7e9538c20c"
            },
            {
              "version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3006766d247bc93a25b34e92fff2f75bda597e2e"
            },
            {
              "version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "277378631d26477451424cc73982b977961f3d8b"
            },
            {
              "version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "abe3c631447dcd1ba7af972fe6f054bee6f136fa"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.0"
            },
            {
              "version": "5.10.152",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.76",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}