CVE-2024-53106: ima: fix buffer overrun in ima_eventdigest_init_common
Vulnerability summary
CVE-2024-53106 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 15.2% of scored vulnerabilities.
Not severe (CVSS 7.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 21 · Related 20Timeline
- 02-12-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ima: fix buffer overrun in ima_eventdigest_init_common Function ima_eventdigest_init() calls ima_eventdigest_init_common() with HASH_ALGO__LAST which is then used to access the array hash_digest_size[] leading to buffer overrun. Have a conditional statement to handle this.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:HDiffers
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS: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.
Ubuntu104 products
- linux< 6.8.0-58.60
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1027.29
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 9fab303a2cb3d323ca3a32a8b4ab60b451141901, < e01aae58e818503f2ffcd34c6f7dc6f90af1057e | ≥ 9fab303a2cb3d323ca3a32a8b4ab60b451141901, < 8a84765c62cc0469864e2faee43aae253ad16082 | ≥ 9fab303a2cb3d323ca3a32a8b4ab60b451141901, < 1ecf0df5205cfb0907eb7984b8671257965a5232 | ≥ 9fab303a2cb3d323ca3a32a8b4ab60b451141901, < 923168a0631bc42fffd55087b337b1b6c54dcff5 | 5.19
- linux_kernelEOL≥ 5.19.1, < 6.1.119 | ≥ 6.2, < 6.6.63 | ≥ 6.7, < 6.11.10 | 5.19 | 5.19:rc7 | 5.19:rc8 | 6.12:rc1 | 6.12:rc2 | 6.12:rc3 | 6.12:rc4 | 6.12:rc5 | 6.12:rc6 | 6.12:rc7
Debian1 product
- linux< 6.1.119-1 | < 6.11.10-1
3 vendors · 107 products