CVE-2025-68348
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)
block: fix memory leak in __blkdev_issue_zero_pages
In the Linux kernel, the following vulnerability has been resolved: block: fix memory leak in __blkdev_issue_zero_pages Move the fatal signal check before bio_alloc() to prevent a memory leak when BLKDEV_ZERO_KILLABLE is set and a fatal signal is pending. Previously, the bio was allocated before checking for a fatal signal. If a signal was pending, the code would break out of the loop without freeing or chaining the just-allocated bio, causing a memory leak. This matches the pattern already used in __blkdev_issue_write_zeroes() where the signal check precedes the allocation.
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) |
|---|---|---|---|---|---|
| bf86bcdb40123ee99669ee91b67e023669433a1a | affected | git | 453e4b0c84d0db1454ff0adf655d91179e6fca3a | Unavailable | None listed |
| bf86bcdb40123ee99669ee91b67e023669433a1a | affected | git | 7957635c679e8a01147163a3a4a1f16e1210fa03 | Unavailable | None listed |
| bf86bcdb40123ee99669ee91b67e023669433a1a | affected | git | 7193407bc4457212fa38ec3aff9c640e63a8dbef | Unavailable | None listed |
| bf86bcdb40123ee99669ee91b67e023669433a1a | affected | git | f7e3f852a42d7cd8f1af2c330d9d153e30c8adcf | 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) |
|---|---|---|---|---|---|
| 6.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.11 | Unavailable | None listed |
| 6.12.63 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.17.13 | unaffected | semver | Unavailable | 6.17.* | None listed |
| 6.18.2 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 6.19 | unaffected | original_commit_for_fix | Unavailable | * | None listed |