Threats Tagged 'cve-2026-53185'

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: rtnetlink: add missing netlink_ns_capable() check for peer netns (CVE-2026-31692) * kernel: fanotify: fix false positive on permission events (CVE-2026-46150) * kernel: netfilter: conntrack: remove sprintf usage (CVE-2026-53002) * kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888) * kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887) * kernel: Kernel: Remote out-of-bounds write in RDMA/siw (CVE-2026-64268) * kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564) 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.

Multiple security vulnerabilities have been identified and fixed in the Linux kernel packages for Red Hat Enterprise Linux 8. These include issues such as missing capability checks, false positives on permission events, use-after-free, double-free, out-of-bounds write, and unsafe string operations. The update addresses several CVEs including CVE-2026-31692, CVE-2026-43116, CVE-2026-46150, CVE-2026-64530, among others. The kernel update is rated as important by Red Hat and requires a system reboot to take effect.

This Red Hat Security Advisory addresses multiple vulnerabilities and bugs in the Linux kernel-rt packages for Red Hat Enterprise Linux 8. It fixes security issues including user-triggerable warnings, double-free errors, use-after-free vulnerabilities, and arbitrary code execution via userfaultfd shadow stack manipulation. The update includes fixes for CVE-2026-46117 and CVE-2026-53071 among others, impacting kernel components such as RDMA/mana and Bluetooth l2cap. The update requires a system reboot to take effect.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117) * kernel: netfilter: conntrack: remove sprintf usage (CVE-2026-53002) * kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: memfd: deny writeable mappings when implying SEAL_WRITE (CVE-2026-63952) * kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888) * kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887) * kernel: smb: client: fix double-free in SMB2_open() replay (CVE-2026-64382) * kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564) * kernel: Linux kernel: Arbitrary code execution via userfaultfd shadow stack manipulation (CVE-2026-68166) Bug Fix(es) and Enhancement(s): * [HPEMC RHEL 10.1 BUG] mm/memory-failure: fix redundant updates for already poisoned pages. [rhel-10.0.z] (JIRA:RHEL-147239) 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: rxrpc: Fix potential UAF after skb_unshare() failure (CVE-2026-45998) * kernel: smb/client: fix out-of-bounds read in smb2_compound_op() (CVE-2026-46155) * kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode (CVE-2026-63886) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: posix-cpu-timers: Prevent UAF caused by non-leader exec() race (CVE-2026-64560) Bug Fix(es) and Enhancement(s): * [HPEMC RHEL 9 BUG] tick/sched: Limit non-timkeeper CPUs calling jiffies upda [rhel-9.6.z] (JIRA:RHEL-141460) * ibmveth Adapter Freeze with Small MSS [rhel-9.6.z] (JIRA:RHEL-178307) * RT scheduler livelock caused by missing backport of 94894c9c477e [rhel-9.6.z] (JIRA:RHEL-244409) 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: rxrpc: Fix potential UAF after skb_unshare() failure (CVE-2026-45998) * kernel: smb/client: fix out-of-bounds read in smb2_compound_op() (CVE-2026-46155) * kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode (CVE-2026-63886) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: posix-cpu-timers: Prevent UAF caused by non-leader exec() race (CVE-2026-64560) Bug Fix(es) and Enhancement(s): * [HPEMC RHEL 9 BUG] tick/sched: Limit non-timkeeper CPUs calling jiffies upda [rhel-9.6.z] (JIRA:RHEL-141460) * ibmveth Adapter Freeze with Small MSS [rhel-9.6.z] (JIRA:RHEL-178307) * RT scheduler livelock caused by missing backport of 94894c9c477e [rhel-9.6.z] (JIRA:RHEL-244409) 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.

This Red Hat Security Advisory addresses multiple vulnerabilities and bugs in the Linux kernel packages for Red Hat Enterprise Linux 8. The update includes fixes for several use-after-free issues, out-of-bounds accesses, and other kernel-level security flaws. These vulnerabilities affect core kernel components such as CPU hotplug handling, network bonding, NFS, RDMA, and IPv6. The advisory recommends updating the kernel packages and rebooting the system to apply the fixes.

Red Hat has released a security advisory for the kernel-rt packages in Red Hat Enterprise Linux 8, addressing multiple security vulnerabilities including use-after-free, out-of-bounds writes, and other kernel bugs. These vulnerabilities affect the Real Time Linux Kernel used for systems requiring high determinism. The update includes fixes for 14 CVEs covering various kernel subsystems such as CPU hotplug handling, network bonding, zram, pNFS, NFSv4, RDMA, and IPv6. The advisory also includes bug fixes and enhancements unrelated to security. Systems must be rebooted after applying the update to ensure the fixes take effect.

This Red Hat Security Advisory addresses multiple vulnerabilities and bugs in the Linux kernel packages for Red Hat Enterprise Linux 10 and related products. The update includes fixes for several security issues such as use-after-free, out-of-bounds reads, heap overflows, race conditions, and arbitrary code execution vulnerabilities. The advisory also contains bug fixes and enhancements for various kernel subsystems. Red Hat rates the security impact as Important and recommends applying the update promptly, requiring a system reboot for changes to take effect.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211) * kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CVE-2026-23003) * kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114) * kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924) * kernel: netfilter: xt_policy: fix strict mode inbound policy matching (CVE-2026-52920) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: netfilter: require Ethernet MAC header before using eth_hdr() (CVE-2026-53131) * kernel: netfilter: conntrack_irc: fix possible out-of-bounds read (CVE-2026-53268) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189) * kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277) * kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276) * kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer (CVE-2026-74581) Bug Fix(es) and Enhancement(s): * [RHEL-9.8.z] Intel CWF: CPU is unable to obtain cstate1 on idle system (JIRA:RHEL-166118) * ss core dumped when there is an SCTP session [rhel-9.8.z] (JIRA:RHEL-212398) * [IBM 9.9 FEAT] zcrypt driver overwrite function - kernel part [rhel-9.8.z] (JIRA:RHEL-245333) 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.