CVE-2025-39902
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
mm/slub: avoid accessing metadata when pointer is invalid in object_err()
In the Linux kernel, the following vulnerability has been resolved: mm/slub: avoid accessing metadata when pointer is invalid in object_err() object_err() reports details of an object for further debugging, such as the freelist pointer, redzone, etc. However, if the pointer is invalid, attempting to access object metadata can lead to a crash since it does not point to a valid object. One known path to the crash is when alloc_consistency_checks() determines the pointer to the allocated object is invalid because of a freelist corruption, and calls object_err() to report it. The debug code should report and handle the corruption gracefully and not crash in the process. In case the pointer is NULL or check_valid_pointer() returns false for the pointer, only print the pointer value and skip accessing metadata.
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) |
|---|---|---|---|---|---|
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | 872f2c34ff232af1e65ad2df86d61163c8ffad42 | Unavailable | None listed |
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | f66012909e7bf383fcdc5850709ed5716073fdc4 | Unavailable | None listed |
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | 7e287256904ee796c9477e3ec92b07f236481ef3 | Unavailable | None listed |
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | 1f0797f17927b5cad0fb7eced422f9a7c30a3191 | Unavailable | None listed |
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | 0ef7058b4dc6fcef622ac23b45225db57f17b83f | Unavailable | None listed |
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | dda6ec365ab04067adae40ef17015db447e90736 | Unavailable | None listed |
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | 3baa1da473e6e50281324ff1d332d1a07a3bb02e | Unavailable | None listed |
| 81819f0fc8285a2a5a921c019e3e3d7b6169d225 | affected | git | b4efccec8d06ceb10a7d34d7b1c449c569d53770 | 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) |
|---|---|---|---|---|---|
| 2.6.22 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.22 | Unavailable | None listed |
| 5.4.299 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.243 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.192 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.151 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.105 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.46 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.16.6 | unaffected | semver | Unavailable | 6.16.* | None listed |
| 6.17 | unaffected | original_commit_for_fix | Unavailable | * | None listed |