CVE-2022-50812
security: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang > 15.0.6
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: security: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang > 15.0.6 A bad bug in clang's implementation of -fzero-call-used-regs can result in NULL pointer dereferences (see the links above the check for more information). Restrict CONFIG_CC_HAS_ZERO_CALL_USED_REGS to either a supported GCC version or a clang newer than 15.0.6, which will catch both a theoretical 15.0.7 and the upcoming 16.0.0, which will both have the bug fixed.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected a82adfd5c7cb4b8bb37ef439aed954f9972bb618 – < 8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c
- affected a82adfd5c7cb4b8bb37ef439aed954f9972bb618 – < 0b202dfedb5aa2e7d07d849be33fa3a48c026926
- affected a82adfd5c7cb4b8bb37ef439aed954f9972bb618 – < 21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e
- affected a82adfd5c7cb4b8bb37ef439aed954f9972bb618 – < d6a9fb87e9d18f3394a9845546bbe868efdccfd2
- affected 5.15
- unaffected < 5.15
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (4)
- https://git.kernel.org/stable/c/8a4236456a3a402f6bb92aa7b75e7a3b4ef7a72c (opens in a new tab)
- https://git.kernel.org/stable/c/0b202dfedb5aa2e7d07d849be33fa3a48c026926 (opens in a new tab)
- https://git.kernel.org/stable/c/21ca0bfa11bbb9a9207f5d2104f47d3d71b4616e (opens in a new tab)
- https://git.kernel.org/stable/c/d6a9fb87e9d18f3394a9845546bbe868efdccfd2 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-50812)Record last updated .