Vulnerability · Published Apr 2, 2022 · Assigned by mitre
CVE-2022-28356
Medium 5.5
In plain English
A medium-severity security flaw in the linux package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.6%top 52.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.16.18-1 | DEBIAN-CVE-2022-28356 |
| Debian:13 | linux | 5.16.18-1 | DEBIAN-CVE-2022-28356 |
| Debian:14 | linux | 5.16.18-1 | DEBIAN-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux | 5.15.0-37.39 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-37.39 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1011.14 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1011.14 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1010.12 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1010.12 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1008.12 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1008.12 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1008.10 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1008.10 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1007.8 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1007.8 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1008.11 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1008.11 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1010.11 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1010.11 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-37.39 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-37.39 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1004.4 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1009.12 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1009.12 | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1011.13 | USN-5469-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1011.13 | UBUNTU-CVE-2022-28356 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-28356 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1012.13 | UBUNTU-CVE-2022-28356 |
Affected products (as reported)
References
- https://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a x_refsource_MISC
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1 x_refsource_MISC
- [oss-security] 20220406 CVE-2022-28356: Linux kernel: refcount leak in llc_ui_bind and llc_ui_autobind mailing-list, x_refsource_MLIST
- DSA-5127 vendor-advisory, x_refsource_DEBIAN
- https://security.netapp.com/advisory/ntap-20220506-0006/ x_refsource_CONFIRM
- [debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update mailing-list, x_refsource_MLIST
- DSA-5173 vendor-advisory, x_refsource_DEBIAN