Vulnerability · Published Jul 27, 2022 · Assigned by mitre
CVE-2022-36879
Medium 5.5
In plain English
A medium-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 75.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.18.16-1 | DEBIAN-CVE-2022-36879 |
| Debian:13 | linux | 5.18.16-1 | DEBIAN-CVE-2022-36879 |
| Debian:14 | linux | 5.18.16-1 | DEBIAN-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux | 5.15.0-50.56 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-50.56 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1021.25 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1021.25 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1021.26 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1021.26 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1024.30.1 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1019.25 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1019.25 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1017.20 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1017.20 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1004.6 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1004.6 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1015.17 | USN-5683-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1015.17 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1017.22 | USN-5703-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1017.22 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1019.23 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1019.23 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-50.56 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-50.56 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1015.15 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1028.29 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1028.29 | USN-5913-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1019.24 | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1019.24 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1016.18 | USN-5667-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1016.18 | UBUNTU-CVE-2022-36879 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-36879 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1020.23 | UBUNTU-CVE-2022-36879 |
Affected products (as reported)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f85daf0e725358be78dfd208dea5fd665d8cb901 x_refsource_MISC
- https://github.com/torvalds/linux/commit/f85daf0e725358be78dfd208dea5fd665d8cb901 x_refsource_MISC
- DSA-5207 vendor-advisory, x_refsource_DEBIAN
- https://security.netapp.com/advisory/ntap-20220901-0007/ x_refsource_CONFIRM
- [debian-lts-announce] 20220911 [SECURITY] [DLA 3102-1] linux-5.10 new package mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update mailing-list, x_refsource_MLIST
- https://cert-portal.siemens.com/productcert/html/ssa-419740.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html