CVE-2024-38580
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2024
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
epoll: be better about file lifetimes
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | cbfd1088e24ec4c1199756a37cb8e4cd0a4b016e | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 559214eb4e5c3d05e69428af2fae2691ba1eb784 | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 4f65f4defe4e23659275ce5153541cd4f76ce2d2 | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 16e3182f6322575eb7c12e728ad3c7986a189d5d | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 4efaa5acf0a1d2b5947f98abb3acf8bfd966422b | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.6.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.12 | Unavailable | None listed |
| 5.15.161 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.93 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.33 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.8.12 | unaffected | semver | Unavailable | 6.8.* | None listed |
| 6.9 | unaffected | original_commit_for_fix | Unavailable | * | None listed |