CVE-2024-38580: linux
Vulnerability summary
CVE-2024-38580 is a high (CVSS 7.8) 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 25 · Related 22Timeline
- 19-06-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: epoll: be better about file lifetimes epoll can call out to vfs_poll() with a file pointer that may race with the last 'fput()'. That would make f_count go down to zero, and while the ep->mtx locking means that the resulting file pointer tear-down will be blocked until the poll returns, it means that f_count is already dead, and any use of it won't actually get a reference to the file any more: it's dead regardless. Make sure we have a valid ref on the file pointer before we call down to vfs_poll() from the epoll routines.
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 · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST4.7MediumCVSS:3.1/AV:L/AC:H/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 causeNo weakness data has been published for this record.
Affected systems
Ubuntu129 products
- linuxAll versions (No fix recorded) | < 5.15.0-121.131 | < 6.8.0-40.40
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1069.75 | < 6.8.0-1013.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < cbfd1088e24ec4c1199756a37cb8e4cd0a4b016e | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 559214eb4e5c3d05e69428af2fae2691ba1eb784 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 4f65f4defe4e23659275ce5153541cd4f76ce2d2 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 16e3182f6322575eb7c12e728ad3c7986a189d5d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 4efaa5acf0a1d2b5947f98abb3acf8bfd966422b | 2.6.12
- linux_kernel< 5.15.161 | ≥ 5.16, < 6.1.93 | ≥ 6.2, < 6.6.33 | ≥ 6.7, < 6.8.12 | 6.9:rc1 | 6.9:rc2 | 6.9:rc3 | 6.9:rc4 | 6.9:rc5 | 6.9:rc6
Debian1 product
- linux< 6.1.94-1 | < 6.8.12-1
3 vendors · 132 products
