CVE-2024-27389: linux Double Free
Vulnerability summary
CVE-2024-27389 is a high (CVSS 7.8) Double Free vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 31 · Related 30Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: pstore: inode: Only d_invalidate() is needed Unloading a modular pstore backend with records in pstorefs would trigger the dput() double-drop warning: WARNING: CPU: 0 PID: 2569 at fs/dcache.c:762 dput.part.0+0x3f3/0x410 Using the combo of d_drop()/dput() (as mentioned in Documentation/filesystems/vfs.rst) isn't the right approach here, and leads to the reference counting problem seen above. Use d_invalidate() and update the code to not bother checking for error codes that can never happen. ---
CVSS metrics
4 scores · 4 sources · 1 version- 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 · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu106 products
- linux< 5.15.0-186.196 | < 6.8.0-35.35
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1112.119 | < 6.8.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 609e28bb139e53621521130f0d4aea27a725d465, < d0ee2a8adb6673382cce8a4280e1ca0849b3b783 | ≥ 609e28bb139e53621521130f0d4aea27a725d465, < db6e5e16f1ee9e3b01d2f71c7f0ba945f4bf0f4e | ≥ 609e28bb139e53621521130f0d4aea27a725d465, < 4cdf9006fc095af71da80e9b5f48a32e991b9ed3 | ≥ 609e28bb139e53621521130f0d4aea27a725d465, < cb9e802e49c24eeb3af35e9e8c04d526f35f112a | ≥ 609e28bb139e53621521130f0d4aea27a725d465, < 340682ed1932b8e3bd0bfc6c31a0c6354eb57cc6 | ≥ 609e28bb139e53621521130f0d4aea27a725d465, < a43e0fc5e9134a46515de2f2f8d4100b74e50de3 | 5.8
- linux_kernel≥ 5.8, < 6.1.83 | ≥ 6.2, < 6.6.23 | ≥ 6.7, < 6.7.11 | ≥ 6.8, < 6.8.2
Debian1 product
- linux< 6.1.85-1 | < 6.7.12-1
3 vendors · 109 products
