CVE-2026-46003 PUBLISHED

net: qrtr: ns: Limit the total number of nodes

Assigner: Linux
Reserved: 13.05.2026 Published: 27.05.2026 Updated: 27.05.2026

In the Linux kernel, the following vulnerability has been resolved:

net: qrtr: ns: Limit the total number of nodes

Currently, the nameserver doesn't limit the number of nodes it handles. This can be an attack vector if a malicious client starts registering random nodes, leading to memory exhaustion.

Hence, limit the maximum number of nodes to 64. Note that, limit of 64 is chosen based on the current platform requirements. If requirement changes in the future, this limit can be increased.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 0c2204a4ad710d95d348ea006f14ba926e842ffd to 4c46413661431aa60fb134cd4ecdf8beaa39f824 (excl.)
  • affected from 0c2204a4ad710d95d348ea006f14ba926e842ffd to 4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0 (excl.)
  • affected from 0c2204a4ad710d95d348ea006f14ba926e842ffd to 5cf6d5e5e3b804a44692fbf548a5179442e2e923 (excl.)
  • affected from 0c2204a4ad710d95d348ea006f14ba926e842ffd to 8022876894d09ae485b499058c3357da683bcc5d (excl.)
  • affected from 0c2204a4ad710d95d348ea006f14ba926e842ffd to 27d5e84e810b0849d08b9aec68e48570461ce313 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.7 is affected
  • unaffected from 0 to 5.7 (excl.)
  • unaffected from 6.6.140 to 6.6.* (incl.)
  • unaffected from 6.12.86 to 6.12.* (incl.)
  • unaffected from 6.18.27 to 6.18.* (incl.)
  • unaffected from 7.0.4 to 7.0.* (incl.)
  • unaffected from 7.1-rc1 to * (incl.)

References