CVE-2025-38212
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)
ipc: fix to protect IPCS lookups using RCU
In the Linux kernel, the following vulnerability has been resolved: ipc: fix to protect IPCS lookups using RCU syzbot reported that it discovered a use-after-free vulnerability, [0] [0]: https://lore.kernel.org/all/67af13f8.050a0220.21dd3.0038.GAE@google.com/ idr_for_each() is protected by rwsem, but this is not enough. If it is not protected by RCU read-critical region, when idr_for_each() calls radix_tree_node_free() through call_rcu() to free the radix_tree_node structure, the node will be freed immediately, and when reading the next node in radix_tree_for_each_slot(), the already freed memory may be read. Therefore, we need to add code to make sure that idr_for_each() is protected within the RCU read-critical region when we call it in shm_destroy_orphaned().
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) |
|---|---|---|---|---|---|
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | 5f1e1573bf103303944fd7225559de5d8297539c | Unavailable | None listed |
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | b968ba8bfd9f90914957bbbd815413bf6a98eca7 | Unavailable | None listed |
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | 74bc813d11c30e28fc5261dc877cca662ccfac68 | Unavailable | None listed |
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | 78297d53d3878d43c1d627d20cd09f611fa4b91d | Unavailable | None listed |
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | 5180561afff8e0f029073c8c8117c95c6512d1f9 | Unavailable | None listed |
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | 68c173ea138b66d7dd1fd980c9bc578a18e11884 | Unavailable | None listed |
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | b0b6bf90ce2699a574b3683e22c44d0dcdd7a057 | Unavailable | None listed |
| b34a6b1da371ed8af1221459a18c67970f7e3d53 | affected | git | d66adabe91803ef34a8b90613c81267b5ded1472 | 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) |
|---|---|---|---|---|---|
| 3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.1 | Unavailable | None listed |
| 5.4.295 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.239 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.186 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.142 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.95 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.35 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.15.4 | unaffected | semver | Unavailable | 6.15.* | None listed |
| 6.16 | unaffected | original_commit_for_fix | Unavailable | * | None listed |