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CVE-2026-22990

libceph: replace overzealous BUG_ON in osdmap_apply_incremental()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is different from what is expected, there is no need to BUG. Instead, just declare the incremental osdmap to be invalid.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From f24e9980eb860d8600cbe5ef3d2fd9295320d229 · fixed in 9aa0b0c14cefece078286d78b97d4c09685e372d; From f24e9980eb860d8600cbe5ef3d2fd9295320d229 · fixed in 4b106fbb1c7b841cd402abd83eb2447164c799ea; From f24e9980eb860d8600cbe5ef3d2fd9295320d229 · fixed in 6afd2a4213524bc742b709599a3663aeaf77193c; From f24e9980eb860d8600cbe5ef3d2fd9295320d229 · fixed in d3613770e2677683e65d062da5e31f48c409abe9; From f24e9980eb860d8600cbe5ef3d2fd9295320d229 · fixed in 6c6cec3db3b418c4fdf815731bc39e46dff75e1b; From f24e9980eb860d8600cbe5ef3d2fd9295320d229 · fixed in 6348d70af847b79805374fe628d3809a63fd7df3; From f24e9980eb860d8600cbe5ef3d2fd9295320d229 · fixed in e00c3f71b5cf75681dbd74ee3f982a99cb690c2b

  • Linux Linux

    2.6.34

  • KernelLinux

    From 2.6.34 · fixed in 5.10.248; From 5.11.0 · fixed in 5.15.198; From 5.16.0 · fixed in 6.1.161; From 6.2.0 · fixed in 6.6.121; From 6.7.0 · fixed in 6.12.66; From 6.13.0 · fixed in 6.18.6

References 7

git.kernel.org