CVE-2022-3649: Linux Kernel BPF inode.c nilfs_new_inode use after free
Vulnerability summary
CVE-2022-3649 is a high (CVSS 7.0) vulnerability in debian debian_linux. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 66.4% of scored vulnerabilities.
Not severe (CVSS 3.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 38 · Related 36Timeline
- 21-10-2022PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfs_new_inode of the file fs/nilfs2/inode.c of the component BPF. The manipulation leads to use after free. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211992.
CVSS metrics
5 scores · 4 sources · 2 versions- CVE.orgCNA3.1LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated3.1LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · DebianEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.13%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
Increase +0.27 pp
From 0.87% 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-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
- CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu86 products
- linuxAll versions (No fix recorded) | < 4.4.0-235.269 | < 4.15.0-204.215 | < 5.4.0-139.156 | < 5.15.0-57.63
- linux-aws< 4.4.0-1114.120 | < 4.4.0-1152.167 | < 4.15.0-1150.163 | < 5.4.0-1096.104 | < 5.15.0-1027.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Netapp5 products
Debian2 products
- linux< 6.0.2-1
- debian_linuxEOL10.0
Linux2 products
- kerneln/a
- linux_kernel< 4.9.331 | ≥ 4.10, < 4.14.296 | ≥ 4.15, < 4.19.262 | ≥ 4.20, < 5.4.220 | ≥ 5.5, < 5.10.148 | ≥ 5.11, < 5.15.74 | ≥ 5.16, < 5.19.16 | ≥ 6.0, < 6.0.2
4 vendors · 95 products
References
34 links- vuldb.com?id.211992Third Party Advisory
- security.netapp.com/advisory/ntap-20230214-0009/Third Party Advisory