CVE-2022-36879: debian debian_linux

Modified

AliasesUBUNTU-CVE-2022-36879DEBIAN-CVE-2022-36879

Published 27-07-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-36879 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24.9% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

5.5/10

010

Medium · v3.1 (CVE.org)

EPSS score

0.32%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

27-07-2022
PublishedVulnerability first disclosed.
14-10-2026
Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

v3.15.5

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.32% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu83 products

linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-197.208 | < 5.4.0-128.144 | < 5.15.0-50.56
linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1143.155 | < 5.4.0-1086.93 | < 5.15.0-1021.25
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.11All versions (No fix recorded)
linux-aws-5.13All versions (No fix recorded)

linux-aws-5.15< 5.15.0-1021.25~20.04.1
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1086.93~18.04.1
linux-aws-5.8All versions (No fix recorded)
linux-aws-fips< 4.15.0-2082.88 | All versions (No fix recorded) | < 5.4.0-1086.93+fips1
linux-aws-hwe< 4.15.0-1143.155~16.04.1
linux-azure< 4.15.0-1157.172~14.04.2 | < 4.15.0-1159.174~16.04.1 | All versions (No fix recorded) | < 5.4.0-1094.100 | < 5.15.0-1021.26
linux-azure-4.15< 4.15.0-1157.172
linux-azure-5.11All versions (No fix recorded)
linux-azure-5.13All versions (No fix recorded)
linux-azure-5.15< 5.15.0-1021.26~20.04.1
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1094.100~18.04.1
linux-azure-5.8All versions (No fix recorded)
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fde< 5.15.0-1024.30.1
linux-azure-fips< 4.15.0-2066.72 | All versions (No fix recorded) | < 5.4.0-1094.100+fips1
linux-bluefield< 5.4.0-1047.52
linux-dell300x< 4.15.0-1055.60
linux-fips< 4.4.0-1088.95 | All versions (No fix recorded) | < 4.15.0-1100.111 | < 5.4.0-1062.70
linux-gcp< 4.15.0-1138.154~16.04.1 | All versions (No fix recorded) | < 5.4.0-1090.98 | < 5.15.0-1019.25
linux-gcp-4.15< 4.15.0-1138.154
linux-gcp-5.11All versions (No fix recorded)
linux-gcp-5.13All versions (No fix recorded)
linux-gcp-5.15< 5.15.0-1021.28~20.04.1
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1092.101~18.04.1
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-fips< 4.15.0-2047.52 | All versions (No fix recorded) | < 5.4.0-1092.101+fips1
linux-gke< 5.4.0-1084.90 | < 5.15.0-1017.20
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.4All versions (No fix recorded)
linux-gkeop< 5.4.0-1054.57 | < 5.15.0-1004.6
linux-gkeop-5.15< 5.15.0-1005.7~20.04.1
linux-gkeop-5.4All versions (No fix recorded)
linux-hwe< 4.15.0-197.208~16.04.1 | All versions (No fix recorded)
linux-hwe-5.11All versions (No fix recorded)
linux-hwe-5.13All versions (No fix recorded)
linux-hwe-5.15< 5.15.0-50.56~20.04.1
linux-hwe-5.4< 5.4.0-128.144~18.04.1
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-edgeAll versions (No fix recorded)
linux-ibm< 5.4.0-1034.38 | < 5.15.0-1015.17
linux-ibm-5.4< 5.4.0-1034.38~18.04.1
linux-intel-5.13All versions (No fix recorded)
linux-intel-iot-realtimeAll versions (No fix recorded)
linux-intel-iotg< 5.15.0-1017.22
linux-intel-iotg-5.15< 5.15.0-1017.22~20.04.1
linux-iot< 5.4.0-1005.7
linux-kvm< 4.4.0-1118.128 | < 4.15.0-1129.134 | < 5.4.0-1076.81 | < 5.15.0-1019.23
linux-lowlatency< 5.15.0-50.56
linux-lowlatency-hwe-5.15< 5.15.0-50.56~20.04.1
linux-lts-xenial< 4.4.0-239.273~14.04.1
linux-nvidia< 5.15.0-1015.15
linux-oemAll versions (No fix recorded)
linux-oem-5.10All versions (No fix recorded)
linux-oem-5.13All versions (No fix recorded)
linux-oem-5.14< 5.14.0-1058.66
linux-oem-5.17< 5.17.0-1028.29
linux-oem-5.6All versions (No fix recorded)
linux-oracle< 4.15.0-1108.119~16.04.1 | < 4.15.0-1108.119 | < 5.4.0-1084.92 | < 5.15.0-1019.24
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.11All versions (No fix recorded)
linux-oracle-5.13All versions (No fix recorded)
linux-oracle-5.15< 5.15.0-1019.24~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1084.92~18.04.1
linux-oracle-5.8All versions (No fix recorded)
linux-raspi< 5.4.0-1071.81 | < 5.15.0-1016.18
linux-raspi-5.4< 5.4.0-1071.81~18.04.1
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2< 4.15.0-1121.129 | All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded) | < 5.15.0-1022.22
linux-riscvAll versions (No fix recorded) | < 5.15.0-1020.23
linux-riscv-5.11All versions (No fix recorded)
linux-riscv-5.15< 5.15.0-1022.26~20.04.1
linux-riscv-5.8All versions (No fix recorded)
linux-snapdragon< 4.15.0-1139.149