Threats Tagged 'cve-2026-53196'

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.26.1 fixes various security issues: The following security issues were fixed: - CVE-2026-46150: fanotify: fix false positive on permission events (bsc#1267388). - CVE-2026-53360: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use (bsc#1270303). - CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction (bsc#1275458). - CVE-2026-64561: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (Zapscape) (bsc#1273232). - CVE-2026-64564: sctp: don't free the ASCONF's own transport in DEL-IP processing (SCTPhantom) (bsc#1274074). - CVE-2026-68138: net/sched: serialize qdisc_rtab_list against concurrent get/put (bsc#1274942).

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel t7xx WWAN driver: Denial of Service via buffer overflow (CVE-2026-23172) * kernel: xfrm: hold dev ref until after transport_finish NF_HOOK (CVE-2026-31663) * kernel: RDMA/rxe: Fix race condition in QP timer handlers (CVE-2026-45910) * kernel: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv (CVE-2026-46043) * kernel: RDMA/rxe: Reject unknown opcodes before ICRC processing (CVE-2026-46133) * kernel: RDMA/rxe: Reject non-8-byte ATOMIC_WRITE payloads (CVE-2026-46114) * kernel: net: ena: PHC: Fix potential use-after-free in get_timestamp (CVE-2026-52971) * kernel: IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN (CVE-2026-53176) * kernel: ALSA: timer: Forcibly close timer instances at closing (CVE-2026-53193) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() (CVE-2026-53239) * kernel: ALSA: timer: Fix UAF at snd_timer_user_params() (CVE-2026-53192) * kernel: wifi: mac80211: limit injected antenna index in ieee80211_parse_tx_radiotap (CVE-2026-63869) * kernel: ALSA: seq: Serialize UMP output teardown with event_input (CVE-2026-64029) * kernel: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() (CVE-2026-63921) * kernel: xfrm: input: hold netns during deferred transport reinjection (CVE-2026-63919) * kernel: ip6: vti: Use ip6_tnl.net in vti6_changelink() (CVE-2026-63917) * kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (CVE-2026-63913) * kernel: wifi: iwlwifi: mvm: fix driver-set TX rates on old devices (CVE-2026-64176) * kernel: wifi: cfg80211: advance loop vars in cfg80211_merge_profile() (CVE-2026-64174) * kernel: wifi: iwlwifi: mld: stop TX during firmware restart (CVE-2026-64175) * kernel: RDMA/rxe: Fix a use-after-free problem in rxe_mmap (CVE-2026-64582) * kernel: Linux kernel: libceph stack out-of-bounds write via crafted OSDMap (CVE-2026-68159) * kernel: Linux kernel: ALSA timer use-after-free vulnerability allows privilege escalation (CVE-2026-68200) * kernel: Linux kernel (ice): Denial of Service via out-of-range ptype in VIRTCHNL (CVE-2026-68128) * kernel: Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash (CVE-2026-68363) * kernel: xfrm: fix stale skb->prev after async crypto steals a GSO segment (CVE-2026-68426) * kernel: dm_early_create: fix freeing used table on dm_resume failure (CVE-2026-72102) * kernel: net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post() (CVE-2026-72298) * kernel: wifi: brcmfmac: cyw: fix heap overflow on a short auth frame (CVE-2026-72003) * kernel: selinux: check connect-related permissions on TCP Fast Open (CVE-2026-72243) Bug Fix(es) and Enhancement(s): * gfs2: filesystem withdrawal rework [rhel-9.8.z] (JIRA:RHEL-252540) * The slab cache entries for gfs2 and dlm grow very large for gfs2 filesystems [rhel-9.8.z] (JIRA:RHEL-252544) * gfs2: Get rid of sd_async_glock_wait [rhel-9.8.z] (JIRA:RHEL-253986) * [RHEL9.8z] watchdog: System panics during reboot when pretimeout is disabled (0) (JIRA:RHEL-255217) * [usb/xhci] kdump on Arrow Lake systems hangs system with dracut-initqueue Timed out errors [rhel-9.8.z] (JIRA:RHEL-256733) 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: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114) * kernel: rxrpc: Fix potential UAF after skb_unshare() failure (CVE-2026-45998) * kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054) * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016) * kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006) * kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071) * 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: crypto: qat - validate RSA CRT component lengths (CVE-2026-64304) * kernel: packet: use consistent hard_header_len in non-ring send paths () Bug Fix(es) and Enhancement(s): * RT scheduler livelock caused by missing backport of 94894c9c477e (JIRA:RHEL-244407) 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: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: smb: client: fix query directory replay double-free (CVE-2026-64387) Bug Fix(es) and Enhancement(s): * ibmveth Adapter Freeze with Small MSS [rhel-10.0.z] (JIRA:RHEL-179722) 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.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Kernel: Privilege escalation via uninitialized data in vmci transport packet (CVE-2025-38403) * kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114) * kernel: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099) * kernel: rxrpc: Fix potential UAF after skb_unshare() failure (CVE-2026-45998) * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117) * kernel: RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145) * kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006) * kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009) * 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: crypto: qat - validate RSA CRT component lengths (CVE-2026-64304) Bug Fix(es) and Enhancement(s): * smb: client: use actual path when queryfs (JIRA:RHEL-145425) * RT scheduler livelock caused by missing backport of 94894c9c477e [rhel-9.4.z] (JIRA:RHEL-244408) * kernel warning : kernel/softirq.c:306 do_softirq_post_smp_call_flush+0x29/0x60 when system is booted with nosmt [rhel-9.4.z] (JIRA:RHEL-80300) 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: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) 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: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) 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: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006) * kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (CVE-2026-64002) * kernel: can:bcm: arbitrary kernel code execution leading to escalate privileges (CVE-2026-17523) * kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer (CVE-2026-74581) 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.