CVE-2026-23335

Summary

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

RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()

struct irdma_create_ah_resp { // 8 bytes, no padding __u32 ah_id; // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx) __u8 rsvd[4]; // offset 4 - NEVER SET <- LEAK };

rsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata().

The reserved members of the structure were not zeroed.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < 1f70df004fdd944653013ccc2e1dfd472a693b46affected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < 14b47c07c69930254f549a17ee245c80a65b1609affected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < 1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8affected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < 2fd37450d271d74b3847baed284f9cfdf198c6f8affected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < cfe962216c164fe2b1c1fb6ac925a7413f5abc84affected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < c9bd0007c4bdb7806bbd323287e50f9cf467c51aaffected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < 74586c6da9ea222a61c98394f2fc0a604748438caffected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux5.15.203 <= 5.15.*unaffected
LinuxLinux6.1.167 <= 6.1.*unaffected
LinuxLinux6.6.130 <= 6.6.*unaffected
LinuxLinux6.12.77 <= 6.12.*unaffected
LinuxLinux6.18.17 <= 6.18.*unaffected
LinuxLinux6.19.7 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References