CVE-2022-48654: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()
Vulnerability summary
CVE-2022-48654 is a high (CVSS 7.1) Use of Uninitialized Resource vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.9% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 8Timeline
- 28-04-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() nf_osf_find() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be used to leak stale kernel stack data to userspace.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.25% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu97 products
- linux< 5.4.0-136.153 | < 5.15.0-57.63
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1093.101 | < 5.15.0-1027.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 22c7652cdaa8cd33ce78bacceb4e826a3f795873, < 721ea8ac063d70c2078c4e762212705de6151764 | ≥ 22c7652cdaa8cd33ce78bacceb4e826a3f795873, < 5d75fef3e61e797fab5c3fbba88caa74ab92ad47 | ≥ 22c7652cdaa8cd33ce78bacceb4e826a3f795873, < 816eab147e5c6f6621922b8515ad9010ceb1735e | ≥ 22c7652cdaa8cd33ce78bacceb4e826a3f795873, < 633c81c0449663f57d4138326d036dc6cfad674e | ≥ 22c7652cdaa8cd33ce78bacceb4e826a3f795873, < 559c36c5a8d730c49ef805a72b213d3bba155cc8 | 5.2
- linux_kernel≥ 5.2.0, < 5.4.215 | ≥ 5.5.0, < 5.10.146 | ≥ 5.11.0, < 5.15.71 | ≥ 5.16.0, < 5.19.12
Debian1 product
- linux< 6.0.2-1
3 vendors · 100 products
