CVE-2023-52607
powerpc/mm: Fix null-pointer dereference in pgtable_cache_add
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtable_cache_add kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.33
References 8
git.kernel.org
- stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611
- stable/c/f6781add1c311c17eff43e14c786004bbacf901e
- stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b
- stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7
- stable/c/d482d61025e303a2bef3733a011b6b740215cfa1
- stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532
- stable/c/ffd29dc45bc0355393859049f6becddc3ed08f74
- stable/c/f46c8a75263f97bda13c739ba1c90aced0d3b071