CVE-2022-50396 — Missing Release of Memory after Effective Lifetime in Linux

CWE-401 — Missing Release of Memory after Effective Lifetime5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 18

Description

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindex_set_parms Syzkaller reports a memory leak as follows: BUG: memory leak unreferenced object 0xffff88810c287f00 (size 256): comm "syz-executor105", pid 3600, jiffies 4294943292 (age 12.990s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc_trace+0x20/0x90 mm/slab…

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_kernel4.9 — 4.14.308+7
▶Debianlinux/linux_kernel< 5.10.178-1+3
▶CVEListV5linux/linuxb9a24bb76bf611a5268ceffe04219e6ad264559b — 53af9c793f644d5841d84d8e0ad83bd7ab47f3e0+13
▶debiandebian/linux< linux 6.1.7-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-8gwc-c833-gwmc: In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindex_set_parms Syzkaller reports a memory leak↗2025-09-18
▶
OSV
CVE-2022-50396: In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindex_set_parms Syzkaller reports a memory leak a↗2025-09-18
▶

📋Vendor Advisories

2
Red Hat
kernel: net: sched: fix memory leak in tcindex_set_parms↗2025-09-18
▶
Debian
CVE-2022-50396: linux - In the Linux kernel, the following vulnerability has been resolved: net: sched:...↗2022
▶
CVE-2022-50396 — Linux vulnerability | cvebase