CVE-2022-50255 — Out-of-bounds Read in Linux

CWE-125 — Out-of-bounds ReadCWE-20 — Improper Input Validation5 documents5 sources
Severity
7.1HIGHNVD
EPSS
0.0%
top 95.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 15

Description

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix reading strings from synthetic events The follow commands caused a crash: # cd /sys/kernel/tracing # echo 's:open char file[]' > dynamic_events # echo 'hist:keys=common_pid:file=filename:onchange($file).trace(open,$file)' > events/syscalls/sys_enter_openat/trigger' # echo 1 > events/synthetic/open/enable BOOM! The problem is that the synthetic event field "char file[]" will read the value given to it as a strin…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages4 packages

▶NVDlinux/linux_kernel5.10 — 5.15.75+2
▶Debianlinux/linux_kernel< 6.0.3-1+2
▶CVEListV5linux/linuxbd82631d7ccdc894af2738e47abcba2cb6e7dea9 — d9c79fbcbdb6cb10c07c85040eaf615180b26c48+4
▶debiandebian/linux< linux 6.0.3-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2022-50255: In the Linux kernel, the following vulnerability has been resolved: tracing: Fix reading strings from synthetic events The follow commands caused a cr↗2025-09-15
▶
GHSA
GHSA-h4gq-9hmg-w96x: In the Linux kernel, the following vulnerability has been resolved: tracing: Fix reading strings from synthetic events The follow commands caused a↗2025-09-15
▶

📋Vendor Advisories

2
Red Hat
kernel: tracing: Fix reading strings from synthetic events↗2025-09-15
▶
Debian
CVE-2022-50255: linux - In the Linux kernel, the following vulnerability has been resolved: tracing: Fi...↗2022
▶
CVE-2022-50255 — Out-of-bounds Read in Linux | cvebase