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CVE-2026-98648

s390/uv: Prevent potential out-of-bounds read

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.18.55, 7.2.9
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Prevent potential out-of-bounds read When the system has more than 85 secrets, the uv_secret_list struct array only holds up to 85 items per page, resulting in an out of bounds read in find_secret_in_page if the targeted secret is in the next page or not stored at all. Fix this by looping over the number of stored secrets which is the per sub-list count of stored secrets and not the overall count.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d · fixed in 04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f; From 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d · fixed in 116bba758533a139bbede8d717a1371bd6d890f6; From 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d · fixed in f47190b08b71e8482072978373ee88cb2dfbdaf4

  • Linux Linux

    6.13

  • KernelLinux

    From 6.13.0 · fixed in 6.18.55; From 6.19.0 · fixed in 7.2.9

References 3

git.kernel.org