CVE-2022-50307 — Out-of-bounds Read in Linux

CWE-125 — Out-of-bounds Read5 documents5 sources
Severity
7.1HIGHNVD
EPSS
0.0%
top 94.09%
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: s390/cio: fix out-of-bounds access on cio_ignore free The channel-subsystem-driver scans for newly available devices whenever device-IDs are removed from the cio_ignore list using a command such as: echo free >/proc/cio_ignore Since an I/O device scan might interfer with running I/Os, commit 172da89ed0ea ("s390/cio: avoid excessive path-verification requests") introduced an optimization to exclude online devices from the sca…

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_kernel5.15.1 — 5.15.78+3
▶Debianlinux/linux_kernel< 6.0.7-1+2
▶CVEListV5linux/linux172da89ed0eaf9d9348f5decb86ad04c624b39d1 — 0e501fd0f38e42304bfa0d46a812d93f80294a87+3
▶debiandebian/linux< linux 6.0.7-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2022-50307: In the Linux kernel, the following vulnerability has been resolved: s390/cio: fix out-of-bounds access on cio_ignore free The channel-subsystem-driver↗2025-09-15
▶
GHSA
GHSA-g9gr-r3wp-c95w: In the Linux kernel, the following vulnerability has been resolved: s390/cio: fix out-of-bounds access on cio_ignore free The channel-subsystem-driv↗2025-09-15
▶

📋Vendor Advisories

2
Red Hat
kernel: s390/cio: fix out-of-bounds access on cio_ignore free↗2025-09-15
▶
Debian
CVE-2022-50307: linux - In the Linux kernel, the following vulnerability has been resolved: s390/cio: f...↗2022
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CVE-2022-50307 — Out-of-bounds Read in Linux | cvebase