CVE-2023-22997 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer DereferenceCWE-436 — Interpretation Conflict8 documents7 sources
Severity
5.5MEDIUMNVD
OSV7.8
EPSS
0.1%
top 73.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Linux KernelDebian LinuxMsrc Cbl2 Kernel 5.15.111.1-1 ON CBL Mariner 2.0+5 more
Timeline
PublishedFeb 28
Latest updateApr 19

Description

In the Linux kernel before 6.1.2, kernel/module/decompress.c misinterprets the module_get_next_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

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 Packages9 packages

▶NVDlinux/linux_kernel< 6.1.2
▶Debianlinux/linux_kernel< 6.1.4-1+2
▶debiandebian/linux< linux 6.1.4-1 (bookworm)

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.19, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi vulnerabilities↗2023-04-19
▶
GHSA
GHSA-c954-449c-8jv4: In the Linux kernel before 6↗2023-02-28
▶
OSV
CVE-2023-22997: In the Linux kernel before 6↗2023-02-28
▶

📋Vendor Advisories

4
Ubuntu
Linux kernel vulnerabilities↗2023-04-19
▶
Red Hat
kernel: module: improper return value check in gzip/xz module decompress↗2023-02-28
▶
Microsoft
In the Linux kernel before 6.1.2 kernel/module/decompress.c misinterprets the module_get_next_page return value (expects it to be NULL in the error case whereas it is actually an error pointer).↗2023-02-14
▶
Debian
CVE-2023-22997: linux - In the Linux kernel before 6.1.2, kernel/module/decompress.c misinterprets the m...↗2023
▶
CVE-2023-22997 — NULL Pointer Dereference in Kernel | cvebase