CVE-2022-0742: Memory leak in ICMP6 in Linux Kernel
Vulnerability summary
CVE-2022-0742 is a critical (CVSS 9.1) Permission Issues vulnerability in linux kernel. EPSS estimates a 5.04% chance of exploitation in the next 30 days, higher than 92.2% of scored vulnerabilities.
Severe, CVSS 9.1 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 18-03-2022PublishedVulnerability first disclosed.
- 21-04-2025Last modifiedVulnerability information updated.
Description
Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go out-of-memory via icmp6 packets of type 130 or 131. We recommend upgrading past commit 2d3916f3189172d5c69d33065c3c21119fe539fc.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
5.04%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.04% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-275Permission IssuesWeaknesses in this category are related to improper assignment or handling of permissions.
- CWE-401Missing Release of Memory after Effective LifetimeThe product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu38 products
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13< 5.13.0-1019.21~20.04.1
- linux-aws-5.3All versions (No fix recorded)
- linux-aws-5.8All versions (No fix recorded)
Netapp13 products
Linux2 products
- kernel≥ unspecified, ≤ 5.13
- linux_kernel≥ 5.13, < 5.15.27 | ≥ 5.16, < 5.16.13 | 5.17:rc1 | 5.17:rc2 | 5.17:rc3 | 5.17:rc4 | 5.17:rc5 | 5.17:rc6
Debian1 product
- linux< 5.16.14-1
4 vendors · 54 products
