CVE-2022-50555 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 97.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 7
Latest updateApr 20
Description
In the Linux kernel, the following vulnerability has been resolved:
tipc: fix a null-ptr-deref in tipc_topsrv_accept
syzbot found a crash in tipc_topsrv_accept:
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
Workqueue: tipc_rcv tipc_topsrv_accept
RIP: 0010:kernel_accept+0x22d/0x350 net/socket.c:3487
Call Trace:
tipc_topsrv_accept+0x197/0x280 net/tipc/topsrv.c:460
process_one_work+0x991/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
k…
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
▶CVEListV5linux/linux0ef897be12b8b4cf297b6016e79ec97ec90f2cf6 — ce69bdac2310152bb70845024d5d704c52aabfc3+6
Patches
🔴Vulnerability Details
3VulDB▶
Linux Kernel up to 6.0.6 tipc_topsrv_stop null pointer dereference (Nessus ID 284758 / WID-SEC-2025-2229)↗2026-04-20
OSV▶
CVE-2022-50555: In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipc_topsrv_accept syzbot found a crash in tipc_tops↗2025-10-07
GHSA▶
GHSA-6jh6-f787-4g5p: In the Linux kernel, the following vulnerability has been resolved:
tipc: fix a null-ptr-deref in tipc_topsrv_accept
syzbot found a crash in tipc_to↗2025-10-07