CVE-2024-56584
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)
io_uring/tctx: work around xa_store() allocation error issue
In the Linux kernel, the following vulnerability has been resolved: io_uring/tctx: work around xa_store() allocation error issue syzbot triggered the following WARN_ON: WARNING: CPU: 0 PID: 16 at io_uring/tctx.c:51 __io_uring_free+0xfa/0x140 io_uring/tctx.c:51 which is the WARN_ON_ONCE(!xa_empty(&tctx->xa)); sanity check in __io_uring_free() when a io_uring_task is going through its final put. The syzbot test case includes injecting memory allocation failures, and it very much looks like xa_store() can fail one of its memory allocations and end up with ->head being non-NULL even though no entries exist in the xarray. Until this issue gets sorted out, work around it by attempting to iterate entries in our xarray, and WARN_ON_ONCE() if one is found.
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) |
|---|---|---|---|---|---|
| 2b188cc1bb857a9d4701ae59aa7768b5124e262e | affected | git | e05c070b401f6365c503e2b59f091331965c4fb9 | Unavailable | None listed |
| 2b188cc1bb857a9d4701ae59aa7768b5124e262e | affected | git | 3a84fa784710990964c1e35df743851ab2863898 | Unavailable | None listed |
| 2b188cc1bb857a9d4701ae59aa7768b5124e262e | affected | git | 94ad56f61b873ffeebcc620d451eacfbdf9d40f0 | Unavailable | None listed |
| 2b188cc1bb857a9d4701ae59aa7768b5124e262e | affected | git | 42882b583095dcf747da6e3af1daeff40e27033e | Unavailable | None listed |
| 2b188cc1bb857a9d4701ae59aa7768b5124e262e | affected | git | d5b2ddf1f90c7248eff9630b95895c8950f2f36d | Unavailable | None listed |
| 2b188cc1bb857a9d4701ae59aa7768b5124e262e | affected | git | 7eb75ce7527129d7f1fee6951566af409a37a1c4 | 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) |
|---|---|---|---|---|---|
| 5.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.1 | Unavailable | None listed |
| 5.10.253 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.203 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.120 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.66 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.5 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.13 | unaffected | original_commit_for_fix | Unavailable | * | None listed |