CVE-2026-68328
CVE-2026-68328: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
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Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-68328] Check resource mutex allocation
CVE-2026-68328Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: nfp: Check resource mutex allocation nfp_cpp_resource_find() allocates a CPP mutex handle for the matching resource-table entry and then reports success. nfp_resource_try_acquire() immediately passes that handle to nfp_cpp_mutex_trylock(). However, nfp_cpp_mutex_alloc() returns NULL on failure. Do the same for the resource mutex and fail the lookup before publishing the rest of the resource handle. This issue was found by a static analysis checker and confirmed by manual source review. However, the `nfp_cpp_resource_find()` function might still report success, leading to a subsequent attempt to dereference the NULL pointer by `nfp_resource_try_acquire()`. This can allow a local attacker to cause a system crash, resulting…
- Affected products in this advisory
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
- Red Hat package: kernel-rt
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- To mitigate this issue, prevent the nfp module from loading. See https://access.redhat.com/solutions/41278 for instructions.
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