CVE-2022-49293: netfilter: nf_tables: initialize registers in nft_do_chain()
Vulnerability summary
CVE-2022-49293 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.4% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: initialize registers in nft_do_chain() Initialize registers to avoid stack leak into userspace.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.29% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu103 products
- linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-184.194 | < 5.4.0-110.124 | < 5.15.0-27.28
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1133.143 | < 5.4.0-1073.78 | < 5.15.0-1005.7
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < 4d28522acd1c4415c85f6b33463713a268f68965 | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < a3cc32863b175168283cb0a5fde08de6a1e27df9 | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < 88791b79a1eb2ba94e95d039243e28433583a67b | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < 06f0ff82c70241a766a811ae1acf07d6e2734dcb | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < 2c74374c2e88c7b7992bf808d9f9391f7452f9d9 | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < fafb904156fbb8f1dd34970cd5223e00b47c33be | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < 64f24c76dd0ce53d0fa3a0bfb9aeea507c769485 | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < dd03640529204ef4b8189fbdea08217d8d98271f | ≥ 96518518cc417bb0a8c80b9fb736202e28acdf96, < 4c905f6740a365464e91467aa50916555b28213d | 3.13
- linux_kernelEOL≥ 3.13, < 4.9.309 | ≥ 4.10, < 4.14.274 | ≥ 4.15, < 4.19.237 | ≥ 4.20, < 5.4.188 | ≥ 5.5, < 5.10.109 | ≥ 5.11, < 5.15.32 | ≥ 5.16, < 5.16.18 | 5.17
Debian1 product
- linux< 5.17.3-1
3 vendors · 106 products
