CVE-2022-50620 — Linux vulnerability

6 documents5 sources
Severity
—N/A
No vector
EPSS
0.0%
top 90.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedDec 8

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc->f2fs_issue_discard in error path Syzbot reports a NULL pointer dereference issue as below: __refcount_add include/linux/refcount.h:193 [inline] __refcount_inc include/linux/refcount.h:250 [inline] refcount_inc include/linux/refcount.h:267 [inline] get_task_struct include/linux/sched/task.h:110 [inline] kthread_stop+0x34/0x1c0 kernel/kthread.c:703 f2fs_stop_discard_thread+0x3c/0x5c fs/f2fs/segment.…

Affected Packages4 packages

▶Linuxlinux/linux_kernel5.15.0 — 5.15.86+2
▶Debianlinux/linux_kernel< 6.1.4-1+2
▶CVEListV5linux/linux4d67490498acb4ffcef5ba7bc44990d46e66a44c — 865bb7b5a7deeb0e5afbd82381d52d38825dc64d+4
▶debiandebian/linux< linux 6.1.4-1 (bookworm)

🔴Vulnerability Details

3
OSV
CVE-2022-50620: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc->f2fs_issue_discard in error path Syzbot reports a NUL↗2025-12-08
▶
OSV
f2fs: fix to invalidate dcc->f2fs_issue_discard in error path↗2025-12-08
▶
GHSA
GHSA-48mq-8mrg-r5qq: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to invalidate dcc->f2fs_issue_discard in error path Syzbot reports a N↗2025-12-08
▶

📋Vendor Advisories

2
Red Hat
kernel: f2fs: fix to invalidate dcc->f2fs_issue_discard in error path↗2025-12-08
▶
Debian
CVE-2022-50620: linux - In the Linux kernel, the following vulnerability has been resolved: f2fs: fix t...↗2022
▶