RLSA-2026:2212

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: net: openvswitch: fix nested key length validation in the set() action (CVE-2025-37789)

• kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability (CVE-2025-37819)

• kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem (CVE-2025-38022)

• kernel: Linux kernel: RDMA/rxe use-after-free vulnerability leading to potential arbitrary code execution (CVE-2025-38024)

• kernel: Linux kernel: Memory corruption in Squashfs due to incorrect block size calculation (CVE-2025-38415)

• kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it (CVE-2025-38403)

• kernel: Linux kernel: Denial of Service in ATM CLIP module via infinite recursion (CVE-2025-38459)

• kernel: Linux kernel: Data corruption and system instability due to improper io_uring/net buffer handling (CVE-2025-38730)

• kernel: Linux kernel: Denial of Service via out-of-bounds read in USB configuration parsing (CVE-2025-39760)

• kernel: net: use dstdevrcu() in sksetupcaps() (CVE-2025-40170)

• kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)

• kernel: Bluetooth: ISO: Fix possible UAF on isoconnfree (CVE-2025-40141)

• kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)

• kernel: Linux kernel: Use-after-free in procreaddirde() can lead to privilege escalation or denial of service. (CVE-2025-40271)

• kernel: Linux kernel ALSA USB audio driver: Buffer overflow leading to information disclosure and denial of service (CVE-2025-40269)

• kernel: Bluetooth: hcisync: fix race in hcicmdsyncdequeue_once (CVE-2025-40318)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.