The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsThere is no fixed version for RHEL:8 openshift/ose-rhel-coreos-9.
Note: Versions mentioned in the description apply only to the upstream openshift/ose-rhel-coreos-9 package and not the openshift/ose-rhel-coreos-9 package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
accel/rocket: fix NULL dereference and integer overflow in rocket_job_push()
rocket_job_push() allocates a temporary array to hold all input and output GEM object pointers:
bos = kvmalloc_array(job->in_bo_count + job->out_bo_count,
sizeof(void *), GFP_KERNEL);
memcpy(bos, job->in_bos, job->in_bo_count * sizeof(void *));
memcpy(&bos[job->in_bo_count], job->out_bos, ...);
Two bugs exist:
Missing NULL check: if kvmalloc_array() fails, bos is NULL and the subsequent memcpy() dereferences it, causing a kernel NULL pointer dereference.
Integer overflow: in_bo_count and out_bo_count are both u32, set directly from userspace-supplied in_bo_handle_count and out_bo_handle_count with no prior validation. Their sum is computed in u32 arithmetic and can wrap to a smaller value, causing the allocation count passed to kvmalloc_array() to be smaller than intended. Subsequent uses still operate on the original counts when copying and locking objects, which may lead to out-of-bounds accesses on the temporary array.
Fix by using check_add_overflow() to detect count overflow before the allocation, and adding a NULL check on the allocation result.