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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-53309

ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison

Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison The local-vs-remote region comparison loop uses '<=' instead of '<', causing it to read one entry past the valid range of qr_regions. The other loops in the same function correctly use '<'. Fix the loop condition to use '<' for consistency and correctness.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • ea2034416b54700e30371f2ad6517cbb94674083 to < 760ab35040aca8399021fdb9ff1db1089feb7194affected
  • ea2034416b54700e30371f2ad6517cbb94674083 to < c60a2710b73838d250cda57344c049b89abc5d52affected
  • ea2034416b54700e30371f2ad6517cbb94674083 to < 2a0673836f019e7c032acbf48d022d5ccf02a845affected
  • ea2034416b54700e30371f2ad6517cbb94674083 to < 819d8ebad3200a53de99bd7e297bc428e41ced54affected
  • ea2034416b54700e30371f2ad6517cbb94674083 to < d5403ae28085761d58b555645bc7d5feadb10073affected
  • ea2034416b54700e30371f2ad6517cbb94674083 to < 1fb7f356547d9688822315cd2b205ff0bd5429b4affected
  • ea2034416b54700e30371f2ad6517cbb94674083 to < 426cd8eedac89b86148d4478990eeef16e8a2520affected
  • ea2034416b54700e30371f2ad6517cbb94674083 to < 01b61e8dda9b0fdb0d4cda43de25f4e390554d7baffected

Linux Linux

Default version status: affected

  • 2.6.37affected
  • 0 to < 2.6.37unaffected
  • 5.10.258 to ≤ 5.10.*unaffected
  • 5.15.209 to ≤ 5.15.*unaffected
  • 6.1.175 to ≤ 6.1.*unaffected
  • 6.6.141 to ≤ 6.6.*unaffected
  • 6.12.91 to ≤ 6.12.*unaffected
  • 6.18.33 to ≤ 6.18.*unaffected
  • 7.0.10 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References