Security readout for executives and security teams
Plain-English summary
This Linux kernel issue affects SELinux handling during security context conversion. Under certain conditions, the kernel may try to sleep while in an atomic locked section, producing a kernel warning and potentially affecting system stability. The sources do not provide CVSS, confirmed impact, or evidence of active exploitation.
Executive priority
Treat as a kernel maintenance item, not an emergency based on current evidence. Prioritize patching on SELinux-dependent servers or regulated workloads where kernel stability and access-control reliability are business-critical.
Technical view
In SELinux sidtab_context_to_sid(), convert_context() could allocate memory with GFP_KERNEL while protected by spin_lock_irqsave(), causing a sleep-in-atomic-context warning. The kernel fix adds a gfp_t parameter so callers use GFP_ATOMIC or GFP_KERNEL appropriately.
Likely exposure
Exposure is most relevant to Linux systems running affected kernel versions with SELinux in use. The source lists Linux kernel 5.x and 6.x affected ranges, but distribution backports may change exposure and must be checked with vendor advisories.
Exploitation context
No source in the bundle reports active exploitation, weaponized code, or remote attack conditions. The described trigger occurred during normal filesystem lookup/stat activity involving SELinux labels and SID table conversion.
Researcher notes
Evidence is limited to the CVE record and Linux stable commits. No CVSS, CWE, exploitability assessment, or downstream vendor mapping is provided. Validate affectedness by kernel branch, vendor backport status, SELinux usage, and presence of the specific fix commits.
Mitigation direction
- Apply vendor kernel updates that include the referenced stable Linux fixes.
- Prioritize SELinux-enabled systems on affected kernel branches.
- If no update is available, request distribution or vendor guidance.
- Reboot into the fixed kernel after approved maintenance.
Validation and detection
- Inventory Linux hosts and their running kernel versions.
- Identify systems with SELinux enabled or deployed.
- Check vendor advisories for backports of the referenced commits.
- Review kernel logs for sleep-in-atomic-context SELinux warnings.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2022-50699 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/2723875e9d677401d775a03a72abab7e9538c20cCVE reference
- https://git.kernel.org/stable/c/3006766d247bc93a25b34e92fff2f75bda597e2eCVE reference
- https://git.kernel.org/stable/c/277378631d26477451424cc73982b977961f3d8bCVE reference
- https://git.kernel.org/stable/c/abe3c631447dcd1ba7af972fe6f054bee6f136faCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.