Threats Tagged 'cve-2026-46113'

A special build of the kernel packages for Red Hat Enterprise Linux for NVIDIA. 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. For detailed information on changes in this release, see the RHEL for NVIDIA Release Notes linked from the References section.

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.5.1 fixes various security issues: The following security issues were fixed: - CVE-2026-23240: tls: Fix race condition in tls_sw_cancel_work_tx() (bsc#1262404). - CVE-2026-31738: vxlan: validate ND option lengths in vxlan_na_create (bsc#1264060). - CVE-2026-43038: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (bsc#1271648). - CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (bsc#1266970). - CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270060). - CVE-2026-53366: ipv4: account for fraggap on the paged allocation path (bsc#1271370).

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.28.1 fixes various security issues: The following security issues were fixed: - CVE-2026-31738: vxlan: validate ND option lengths in vxlan_na_create (bsc#1264060). - CVE-2026-43038: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (bsc#1271648). - CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (bsc#1266970). - CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270060). - CVE-2026-53366: ipv4: account for fraggap on the paged allocation path (bsc#1271370).

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359) * kernel: XFS data corruption using reflink () 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.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359) * kernel: XFS data corruption using reflink () 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.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: netfilter: nf_conntrack_helper: pass helper to expect cleanup (CVE-2026-43027) * kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113) * kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359) 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.

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: netfilter: nf_conntrack_helper: pass helper to expect cleanup (CVE-2026-43027) * kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113) * kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359) 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.

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (CVE-2025-71066) * kernel: iommu: disable SVA when CONFIG_X86 is set (CVE-2025-71089) * kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() (CVE-2026-31411) * kernel: rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113) * kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite (CVE-2026-53266) * kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (CVE-2026-53166) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359) 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.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr (CVE-2025-68183) * kernel: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold (CVE-2026-31408) * kernel: eventpoll: defer struct eventpoll free to RCU grace period (CVE-2026-43074) * kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279) * kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984) * kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152) * kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189) * kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135) * kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF (CVE-2026-46242) * kernel: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry (CVE-2026-46316) * kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359) Bug Fix(es) and Enhancement(s): * Possible THP Stalls on Multi-NUMA Systems for HANA on RHEL [rhel-9.6.z] (JIRA:RHEL-164774) * crypto: testmgr - allow authenc(hmac(sha{256,384}),cts(cbc(aes))) in FIPS mode [rhel-9.6.z] (JIRA:RHEL-182539) 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.

A security update for the SUSE Linux Enterprise 11 SP4 kernel addresses multiple vulnerabilities, including use-after-free bugs, race conditions, and improper handling of network protocols. The update fixes 10 distinct CVEs affecting components such as SCSI, TCP, bonding, ALSA, KVM, networking, and Bluetooth subsystems. These vulnerabilities could lead to memory corruption or unexpected behavior in kernel modules.