Security readout for executives and security teams
Plain-English summary
CVE-2022-50749 is a Linux kernel issue in process accounting code. A numeric conversion can overflow when encoding accounting values. Public sources do not state a clear business impact, CVSS score, or active exploitation. Treat it as a kernel maintenance risk and prioritize through normal Linux patch governance.
Executive priority
Medium operational priority, but unknown security severity. Include in the next kernel patch cycle unless vendor guidance raises urgency for your environment.
Technical view
The flaw is in acct encode_comp_t(), where an int variable can exceed the 16-bit comp_t return type during exponent and mantissa encoding. The Linux kernel stable tree contains fixes across multiple supported branches. The available record does not describe privilege requirements, reachability, crash impact, or data integrity consequences.
Likely exposure
Exposure is limited to systems running affected Linux kernel versions or vendor kernels missing the stable fixes. Distribution backports may already include the correction, so version numbers alone may be misleading.
Exploitation context
No CISA KEV listing is provided, and the supplied sources do not report active exploitation or public exploit use. The practical exploitability and security impact are not established in the public record provided.
Researcher notes
The record identifies an integer overflow but lacks CVSS, CWE, impact narrative, and exploitation detail. Analysis should focus on code reachability through Linux process accounting and whether overflow changes observable accounting behavior or kernel safety properties.
Mitigation direction
- Apply Linux distribution kernel updates that include the referenced stable fixes.
- Check vendor advisories for affected kernel packages and backport status.
- Prioritize internet-facing and multi-user Linux systems after vendor confirmation.
- Reboot systems if required for the updated kernel to take effect.
Validation and detection
- Inventory Linux kernel versions across servers, containers hosts, and appliances.
- Compare installed kernels against vendor advisories and stable fix references.
- Confirm whether distribution packages backported the acct encode_comp_t() fix.
- Verify updated systems are booted into the corrected kernel.
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-2022-50749 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/e93f995a591c352d35d89c518c54f790e1537754CVE reference
- https://git.kernel.org/stable/c/cf60bbca1b83a7e0927e36dbf178328982927886CVE reference
- https://git.kernel.org/stable/c/1750a0983c455a9b3badd848471fc8d58cb61f67CVE reference
- https://git.kernel.org/stable/c/a815a3e019456c94b03bd183e7ac22fd29e9e6fdCVE reference
- https://git.kernel.org/stable/c/6edd0cdee5780fd5f43356b72b29a2a6d48ef6daCVE reference
- https://git.kernel.org/stable/c/ebe16676e1dcaa4556ec4d36ca40c82e99e88cfaCVE reference
- https://git.kernel.org/stable/c/2224897d8187dc22a83e05d9361efcccf67bcf12CVE reference
- https://git.kernel.org/stable/c/0aac6e60c464a5f942f995428e67f8ae1c422250CVE reference
- https://git.kernel.org/stable/c/c5f31c655bcc01b6da53b836ac951c1556245305CVE 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.