CVE-2023-52686 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference22 documents7 sources
Severity
5.5MEDIUMNVD
OSV7.5
EPSS
0.0%
top 97.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedMay 17
Latest updateJun 26

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel4.11 — 4.19.306+6
▶Debianlinux/linux_kernel< 5.10.209-1+3
▶CVEListV5linux/linux2717a33d60745f2f72e521cdaedf79b00f66f8ca — 8422d179cf46889c15ceff9ede48c5bfa4e7f0b4+8
▶debiandebian/linux< linux 6.1.76-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

10
OSV
linux-oracle-6.5 vulnerabilities↗2024-06-26
▶
OSV
linux-hwe-6.5 vulnerabilities↗2024-06-18
▶
OSV
linux-nvidia-6.5 vulnerabilities↗2024-06-14
▶
OSV
linux-oem-6.5 vulnerabilities↗2024-06-12
▶
OSV
linux-aws, linux-oracle vulnerabilities↗2024-06-11
▶

📋Vendor Advisories

10
Ubuntu
Linux kernel (Oracle) vulnerabilities↗2024-06-26
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2024-06-18
▶
Ubuntu
Linux kernel (NVIDIA) vulnerabilities↗2024-06-14
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2024-06-12
▶
Ubuntu
Linux kernel vulnerabilities↗2024-06-11
▶

💬Community

1
Bugzilla
CVE-2023-52686 kernel: powerpc/powernv: Add a null pointer check in opal_event_init()↗2024-05-18
▶