GHSA-r626-xmvv-2wm6

GHSA-r626-xmvv-2wm6 PUBLISHED

Record from GitHub Advisory Database · Published May 1, 2022

The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when running on s390, does not properly clear a kernel buffer, which allows local user space programs to read portions of kernel memory by "appending to a file from a bad address," which triggers a fault that prevents the unused memory from being cleared in the kernel buffer.

Timeline

May 1, 2022 CVE Published
Apr 9, 2026 Distribution Patch (2 in total, the first dated here)
Apr 9, 2026 Security Advisory (3 in total, the first dated here)

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The same record, from the CLI:

vulnetix vdb vuln GHSA-r626-xmvv-2wm6
vulnetix vdb fixes GHSA-r626-xmvv-2wm6

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-r626-xmvv-2wm6/fixes/registry"

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References

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