by Kastro CVE-2026-53309
Linux Linux — ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison
Description · from the CVE record
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
ProductAffectedFixed inSource
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < 760ab35040aca8399021fdb9ff1db1089feb7194760ab35040aca8399021fdb9ff1db1089feb7194CNA
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < c60a2710b73838d250cda57344c049b89abc5d52c60a2710b73838d250cda57344c049b89abc5d52CNA
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < 2a0673836f019e7c032acbf48d022d5ccf02a8452a0673836f019e7c032acbf48d022d5ccf02a845CNA
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < 819d8ebad3200a53de99bd7e297bc428e41ced54819d8ebad3200a53de99bd7e297bc428e41ced54CNA
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < d5403ae28085761d58b555645bc7d5feadb10073d5403ae28085761d58b555645bc7d5feadb10073CNA
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < 1fb7f356547d9688822315cd2b205ff0bd5429b41fb7f356547d9688822315cd2b205ff0bd5429b4CNA
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < 426cd8eedac89b86148d4478990eeef16e8a2520426cd8eedac89b86148d4478990eeef16e8a2520CNA
Linuxea2034416b54700e30371f2ad6517cbb94674083 – < 01b61e8dda9b0fdb0d4cda43de25f4e390554d7b01b61e8dda9b0fdb0d4cda43de25f4e390554d7bCNA
Linux2.6.37–CNA
Scores by source
Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H