CVE-2024-47670: ocfs2: add bounds checking to ocfs2_xattr_find_entry()
Vulnerability summary
CVE-2024-47670 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.1% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 47 · Related 43Timeline
- 09-10-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: add bounds checking to ocfs2_xattr_find_entry() Add a paranoia check to make sure it doesn't stray beyond valid memory region containing ocfs2 xattr entries when scanning for a match. It will prevent out-of-bound access in case of crafted images.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Ubuntu131 products
- linuxAll versions (No fix recorded) | < 5.4.0-208.228 | < 5.15.0-127.137 | < 6.8.0-54.56
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1140.150 | < 5.15.0-1073.79 | < 6.8.0-1023.25
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ cf1d6c763fbcb115263114302485ad17e7933d87, < b49a786beb11ff740cb9e0c20b999c2a0e1729c2 | ≥ cf1d6c763fbcb115263114302485ad17e7933d87, < 60c0d36189bad58b1a8e69af8781d90009559ea1 | ≥ cf1d6c763fbcb115263114302485ad17e7933d87, < 34759b7e4493d7337cbc414c132cef378c492a2c | ≥ cf1d6c763fbcb115263114302485ad17e7933d87, < 5bbe51eaf01a5dd6fb3f0dea81791e5dbc6dc6dd | ≥ cf1d6c763fbcb115263114302485ad17e7933d87, < 9b32539590a8e6400ac2f6e7cf9cbb8e08711a2f | ≥ cf1d6c763fbcb115263114302485ad17e7933d87, < 1f6e167d6753fe3ea493cdc7f7de8d03147a4d39 | ≥ cf1d6c763fbcb115263114302485ad17e7933d87, < 8e7bef408261746c160853fc27df3139659f5f77 | ≥ cf1d6c763fbcb115263114302485ad17e7933d87, < 9e3041fecdc8f78a5900c3aa51d3d756e73264d6 | 2.6.28
- linux_kernel< 6.1.112 | ≥ 6.2, < 6.6.53 | ≥ 6.7, < 6.10.12
Debian1 product
- linux< 6.1.112-1 | < 6.10.12-1
3 vendors · 134 products