{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50699", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:53:15.517Z", "datePublished": "2025-12-24T10:55:15.468Z", "dateUpdated": "2025-12-24T10:55:15.468Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T10:55:15.468Z"}, "descriptions": [{"lang": "en", "value": "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/selinux/ss/services.c", "security/selinux/ss/sidtab.c", "security/selinux/ss/sidtab.h"], "versions": [{"version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d", "lessThan": "2723875e9d677401d775a03a72abab7e9538c20c", "status": "affected", "versionType": "git"}, {"version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d", "lessThan": "3006766d247bc93a25b34e92fff2f75bda597e2e", "status": "affected", "versionType": "git"}, {"version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d", "lessThan": "277378631d26477451424cc73982b977961f3d8b", "status": "affected", "versionType": "git"}, {"version": "ee1a84fdfeedfd7362e9a8a8f15fedc3482ade2d", "lessThan": "abe3c631447dcd1ba7af972fe6f054bee6f136fa", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/selinux/ss/services.c", "security/selinux/ss/sidtab.c", "security/selinux/ss/sidtab.h"], "versions": [{"version": "5.0", "status": "affected"}, {"version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.152", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.76", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.6", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.0", "versionEndExcluding": "5.10.152"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.15.76"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.0.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2723875e9d677401d775a03a72abab7e9538c20c"}, {"url": "https://git.kernel.org/stable/c/3006766d247bc93a25b34e92fff2f75bda597e2e"}, {"url": "https://git.kernel.org/stable/c/277378631d26477451424cc73982b977961f3d8b"}, {"url": "https://git.kernel.org/stable/c/abe3c631447dcd1ba7af972fe6f054bee6f136fa"}], "title": "selinux: enable use of both GFP_KERNEL and GFP_ATOMIC in convert_context()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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]"}], "id": "CVE-2022-50699", "lastModified": "2025-12-29T15:58:56.260", "metrics": {}, "published": "2025-12-24T11:15:50.050", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2723875e9d677401d775a03a72abab7e9538c20c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/277378631d26477451424cc73982b977961f3d8b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3006766d247bc93a25b34e92fff2f75bda597e2e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/abe3c631447dcd1ba7af972fe6f054bee6f136fa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: selinux: enable use of both GFP_KERNEL and GFP_ATOMIC in convert_context()", "id": "2424969", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2424969"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nselinux: enable use of both GFP_KERNEL and GFP_ATOMIC in convert_context()\nThe following warning was triggered on a hardware environment:\nSELinux: Converting 162 SID table entries...\nBUG: sleeping function called from invalid context at\n__might_sleep+0x60/0x74 0x0\nin_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 5943, name: tar\nCPU: 7 PID: 5943 Comm: tar Tainted: P O 5.10.0 #1\nCall trace:\ndump_backtrace+0x0/0x1c8\nshow_stack+0x18/0x28\ndump_stack+0xe8/0x15c\n___might_sleep+0x168/0x17c\n__might_sleep+0x60/0x74\n__kmalloc_track_caller+0xa0/0x7dc\nkstrdup+0x54/0xac\nconvert_context+0x48/0x2e4\nsidtab_context_to_sid+0x1c4/0x36c\nsecurity_context_to_sid_core+0x168/0x238\nsecurity_context_to_sid_default+0x14/0x24\ninode_doinit_use_xattr+0x164/0x1e4\ninode_doinit_with_dentry+0x1c0/0x488\nselinux_d_instantiate+0x20/0x34\nsecurity_d_instantiate+0x70/0xbc\nd_splice_alias+0x4c/0x3c0\next4_lookup+0x1d8/0x200 [ext4]\n__lookup_slow+0x12c/0x1e4\nwalk_component+0x100/0x200\npath_lookupat+0x88/0x118\nfilename_lookup+0x98/0x130\nuser_path_at_empty+0x48/0x60\nvfs_statx+0x84/0x140\nvfs_fstatat+0x20/0x30\n__se_sys_newfstatat+0x30/0x74\n__arm64_sys_newfstatat+0x1c/0x2c\nel0_svc_common.constprop.0+0x100/0x184\ndo_el0_svc+0x1c/0x2c\nel0_svc+0x20/0x34\nel0_sync_handler+0x80/0x17c\nel0_sync+0x13c/0x140\nSELinux: Context system_u:object_r:pssp_rsyslog_log_t:s0:c0 is\nnot valid (left unmapped).\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.\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[PM: wrap long BUG() output lines, tweak subject line]"], "name": "CVE-2022-50699", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "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-2022-50699\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50699\nhttps://lore.kernel.org/linux-cve-announce/2025122417-CVE-2022-50699-ddde@gregkh/T"], "threat_severity": "Low"}

{}