CVE-2026-45852
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
RDMA/rxe: Fix double free in rxe_srq_from_init
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix double free in rxe_srq_from_init In rxe_srq_from_init(), the queue pointer 'q' is assigned to 'srq->rq.queue' before copying the SRQ number to user space. If copy_to_user() fails, the function calls rxe_queue_cleanup() to free the queue, but leaves the now-invalid pointer in 'srq->rq.queue'. The caller of rxe_srq_from_init() (rxe_create_srq) eventually calls rxe_srq_cleanup() upon receiving the error, which triggers a second rxe_queue_cleanup() on the same memory, leading to a double free. The call trace looks like this: kmem_cache_free+0x.../0x... rxe_queue_cleanup+0x1a/0x30 [rdma_rxe] rxe_srq_cleanup+0x42/0x60 [rdma_rxe] rxe_elem_release+0x31/0x70 [rdma_rxe] rxe_create_srq+0x12b/0x1a0 [rdma_rxe] ib_create_srq_user+0x9a/0x150 [ib_core] Fix this by moving 'srq->rq.queue = q' after copy_to_user.
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) |
|---|---|---|---|---|---|
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | b98ab5494dbd48652561aa0b9c32f10500220745 | Unavailable | None listed |
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | d493e0bfc748a520c349d6c8791b262aa5ad2e4e | Unavailable | None listed |
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | 9abff51163aa1bc275ec356f74fe976291860a7f | Unavailable | None listed |
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | 26793db60925df1e88a29466813d586cbc190b8c | Unavailable | None listed |
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | ce6f8e007682f378279d4cf83b240f12d52c723b | Unavailable | None listed |
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | 5c07aef09a121a4cd622a71eb0753a9e135c84a8 | Unavailable | None listed |
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | 26a9cfe12f4ffdeaa136f252478986fa5f397ddc | Unavailable | None listed |
| aae0484e15f062ad2c2502e68e15dfb8b8f84608 | affected | git | 0beefd0e15d962f497aad750b2d5e9c3570b66d1 | Unavailable | None listed |
| 350703fae672d4d649c3562c199eab5ec9dc7c79 | affected | git | Unavailable | Unavailable | None listed |
| 4.19.86 | affected | semver | 4.20 | 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) |
|---|---|---|---|---|---|
| 4.20 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.20 | Unavailable | None listed |
| 5.10.259 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.210 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.176 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.128 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.75 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.14 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 6.19.4 | unaffected | semver | Unavailable | 6.19.* | None listed |
| 7.0 | unaffected | original_commit_for_fix | Unavailable | * | None listed |