CVE-2024-39482
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)
bcache: fix variable length array abuse in btree_iter
In the Linux kernel, the following vulnerability has been resolved: bcache: fix variable length array abuse in btree_iter btree_iter is used in two ways: either allocated on the stack with a fixed size MAX_BSETS, or from a mempool with a dynamic size based on the specific cache set. Previously, the struct had a fixed-length array of size MAX_BSETS which was indexed out-of-bounds for the dynamically-sized iterators, which causes UBSAN to complain. This patch uses the same approach as in bcachefs's sort_iter and splits the iterator into a btree_iter with a flexible array member and a btree_iter_stack which embeds a btree_iter as well as a fixed-length data array.
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) |
|---|---|---|---|---|---|
| cafe563591446cf80bfbc2fe3bc72a2e36cf1060 | affected | git | 2c3d7b03b658dc8bfa6112b194b67b92a87e081b | Unavailable | None listed |
| cafe563591446cf80bfbc2fe3bc72a2e36cf1060 | affected | git | 5a1922adc5798b7ec894cd3f197afb6f9591b023 | Unavailable | None listed |
| cafe563591446cf80bfbc2fe3bc72a2e36cf1060 | affected | git | 934e1e4331859183a861f396d7dfaf33cb5afb02 | Unavailable | None listed |
| cafe563591446cf80bfbc2fe3bc72a2e36cf1060 | affected | git | 6479b9f41583b013041943c4602e1ad61cec8148 | Unavailable | None listed |
| cafe563591446cf80bfbc2fe3bc72a2e36cf1060 | affected | git | 0c31344e22dd8d6b1394c6e4c41d639015bdc671 | Unavailable | None listed |
| cafe563591446cf80bfbc2fe3bc72a2e36cf1060 | affected | git | 3a861560ccb35f2a4f0a4b8207fa7c2a35fc7f31 | 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) |
|---|---|---|---|---|---|
| 3.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.10 | Unavailable | None listed |
| 5.10.221 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.162 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.94 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.34 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.9.5 | unaffected | semver | Unavailable | 6.9.* | None listed |
| 6.10 | unaffected | original_commit_for_fix | Unavailable | * | None listed |