mailbox: mailbox-test: don't free the reused channel
Summary
| CVE | CVE-2026-53294 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-26 20:17:22 UTC |
| Updated | 2026-06-30 14:44:27 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be aliased to the TX channel if it has a different MMIO. This special case needs to be handled when freeing the channels otherwise a double-free occurs. |
Risk And Classification
EPSS: 0.001770000 probability, percentile 0.074510000 (date 2026-07-02)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 fc0089f82c3e36060c2c79156bc2018bfb16b56b git | Not specified |
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 5d4f3d0f64f1016cb78b400a70b67df91fac99b5 git | Not specified |
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 c494a11da45ad7ec9b0ff216c3e3ace351193bb6 git | Not specified |
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 3afca89fae501dbd7421e1777b5b8f033b1d98d0 git | Not specified |
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 5c209299b0113e289e238fa5f2e8f00c59f76060 git | Not specified |
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 82f6dcea46cf5de65c4ba7283f7c7b34de4a324d git | Not specified |
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 240c71a2aea36a1a4210f911a1c32ea88777e8e4 git | Not specified |
| CNA | Linux | Linux | affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 88ebadbf0deefdaccdab868b44ff70a0a257f473 git | Not specified |
| CNA | Linux | Linux | affected 4.4 | Not specified |
| CNA | Linux | Linux | unaffected 4.4 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.258 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.209 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.175 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.141 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.91 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.33 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.10 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.