Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: rejecting an arena whose nfree value is lower than the number of lanes. The nfree field in the BTT info block, which represents the number of reserved free blocks, is read from the medium without validation...

SUSE CVE-2026-89965

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: reject an arena whose nfree is below the lane count The BTT info block's nfree field, the number of reserve free blocks, is read from the medium without validation. bttfreelistinit and bttrttinit size the per-lane...

CVE-2026-89965: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: reject an arena whose nfree is below the lane count The BTT info block's nfree field, the number of reserve free blocks, is read from the medium without validation. bttfreelistinit and bttrttinit size the per-lane...

CVE-2026-72223: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: Free arena sub-allocations on discoverarenas error path Memory allocated by bttfreelistinit, bttrttinit, and bttmaplocksinit is not freed on some discoverarenas error paths. This leaks memory when arena discovery fail...