NULL pointer dereference in Linux
CVE-2023-52686
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 2717a33d60745f2f72e521cdaedf79b00f66f8ca, 4.11, 0
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
References
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
Frequently asked questions
- What is CVE-2023-52686?
- CVE-2023-52686 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-05-17.
- How severe is CVE-2023-52686?
- Medium severity. CVSS v3 base score is 5.5 out of 10.