GHSA-j2wx-wqf4-px3j
Record from GitHub Advisory Database · Published December 24, 2025
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix mempool alloc size Convert the max size to bytes to match the units of the divisor that calculates the worst-case number of PRP entries. The result is used to determine how many PRP Lists are required. The code was previously rounding this to 1 list, but we can require 2 in the worst case. In that scenario, the driver would corrupt memory beyond the size provided by the mempool. While unlikely to occur (you'd need a 4MB in exactly 127 phys segments on a queue that doesn't support SGLs), this memory corruption has been observed by kfence.
Risk scores
Timeline
- Dec 24, 2025 CVE Published
- Aug 6, 2026 Security Advisory
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References
- https://git.kernel.org/stable/c/9141144b37f30e3e7fa024bcfa0a13011e546ba9 url
- https://git.kernel.org/stable/c/c89a529e823d51dd23c7ec0c047c7a454a428541 url
- https://git.kernel.org/stable/c/dfb6d54893d544151e7f480bc44cfe7823f5ad23 url
- https://nvd.nist.gov/vuln/detail/CVE-2022-50756 advisory
- https://git.kernel.org/stable/c/b1814724e0d7162bdf4799f2d565381bc2251c63 url
- https://git.kernel.org/stable/c/e1777b4286e526c58b4ee699344b0ad85aaf83a0 url