Resource management error in Linux kernel - CVE-2022-50655
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119783
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-50655
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ppp_send_frame() function in drivers/net/ppp/ppp_generic.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo
How to mitigate CVE-2022-50655
Install update from vendor's repository.
Linux kernel - update to 6.1.2
kernel - update to 4.19.90-2601.4.0.0359
bpftool - update to 4.19.90-2601.4.0.0359
bpftool-debuginfo - update to 4.19.90-2601.4.0.0359
kernel-debuginfo - update to 4.19.90-2601.4.0.0359
kernel-debugsource - update to 4.19.90-2601.4.0.0359
kernel-devel - update to 4.19.90-2601.4.0.0359
kernel-source - update to 4.19.90-2601.4.0.0359
kernel-tools - update to 4.19.90-2601.4.0.0359
kernel-tools-debuginfo - update to 4.19.90-2601.4.0.0359
kernel-tools-devel - update to 4.19.90-2601.4.0.0359
perf - update to 4.19.90-2601.4.0.0359
perf-debuginfo - update to 4.19.90-2601.4.0.0359
python2-perf - update to 4.19.90-2601.4.0.0359
python2-perf-debuginfo - update to 4.19.90-2601.4.0.0359
python3-perf - update to 4.19.90-2601.4.0.0359
python3-perf-debuginfo - update to 4.19.90-2601.4.0.0359
kernel - update to 4.19.90-2601.4.0.0359
bpftool - update to 4.19.90-2601.4.0.0359
bpftool-debuginfo - update to 4.19.90-2601.4.0.0359
kernel-debuginfo - update to 4.19.90-2601.4.0.0359
kernel-debugsource - update to 4.19.90-2601.4.0.0359
kernel-devel - update to 4.19.90-2601.4.0.0359
kernel-source - update to 4.19.90-2601.4.0.0359
kernel-tools - update to 4.19.90-2601.4.0.0359
kernel-tools-debuginfo - update to 4.19.90-2601.4.0.0359
kernel-tools-devel - update to 4.19.90-2601.4.0.0359
perf - update to 4.19.90-2601.4.0.0359
perf-debuginfo - update to 4.19.90-2601.4.0.0359
python2-perf - update to 4.19.90-2601.4.0.0359
python2-perf-debuginfo - update to 4.19.90-2601.4.0.0359
python3-perf - update to 4.19.90-2601.4.0.0359
python3-perf-debuginfo - update to 4.19.90-2601.4.0.0359
External References
- https://git.kernel.org/stable/c/148dcbd3af039ae39c3af697a3183008c7995805
- https://git.kernel.org/stable/c/18dc946360bfe0de016a59e3cc3ee1f450fceb9d
- https://git.kernel.org/stable/c/30f186978e87bef2f22ed349010d3e23271e8d44
- https://git.kernel.org/stable/c/4b8f3b939266c90f03b7cc7e26a4c28c7b64137b
- https://git.kernel.org/stable/c/7da524781c531ebaf2f94c9dc4c541b82edecfed
- https://git.kernel.org/stable/c/9f225444467b98579cf28d94f4ad053460dfdb84
- https://git.kernel.org/stable/c/c2a698ff156974908308f42cf5991ab5c0c4b8cd
- https://git.kernel.org/stable/c/e387a25552951802102e279931d6f7dd2ecc34c1
- https://git.kernel.org/stable/c/ee678b1f52f9439e930db2db3fd7e345d03e1a50
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2