RHSA-2024:3627 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) 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: Marvin vulnerability side-channel leakage in the RSA decryption operation (CVE-2023-6240)

• kernel: Information disclosure in vhost/vhost.c:vhost_new_msg() (CVE-2024-0340)

• kernel: untrusted VMM can trigger int80 syscall handling (CVE-2024-25744)

• kernel: i2c: i801: Fix block process call transactions (CVE-2024-26593)

• kernel: pvrusb2: fix use after free on context disconnection (CVE-2023-52445)

• kernel: x86/fpu: Stop relying on userspace for info to fault in xsave buffer that cause loop forever (CVE-2024-26603)

• kernel: use after free in i2c (CVE-2019-25162)

• kernel: i2c: validate user data in compat ioctl (CVE-2021-46934)

• kernel: media: dvbdev: Fix memory leak in dvb_media_device_free() (CVE-2020-36777)

• kernel: usb: hub: Guard against accesses to uninitialized BOS descriptors (CVE-2023-52477)

• kernel: mtd: require write permissions for locking and badblock ioctls (CVE-2021-47055)

• kernel: net/smc: fix illegal rmb_desc access in SMC-D connection dump (CVE-2024-26615)

• kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)

• kernel: Integer Overflow in raid5_cache_count (CVE-2024-23307)

• kernel: media: uvcvideo: out-of-bounds read in uvc_query_v4l2_menu() (CVE-2023-52565)

• kernel: net: bridge: data races indata-races in br_handle_frame_finish() (CVE-2023-52578)

• kernel: net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg (CVE-2023-52528)

• kernel: platform/x86: think-lmi: Fix reference leak (CVE-2023-52520)

• kernel: RDMA/siw: Fix connection failure handling (CVE-2023-52513)

• kernel: pid: take a reference when initializing cad_pid (CVE-2021-47118)

• kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)

• kernel: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout (CVE-2024-26643)

• kernel: netfilter: nf_tables: disallow anonymous set with timeout flag (CVE-2024-26642)

• kernel: i2c: i801: Don't generate an interrupt on bus reset (CVE-2021-47153)

• kernel: xhci: handle isoc Babble and Buffer Overrun events properly (CVE-2024-26659)

• kernel: hwmon: (coretemp) Fix out-of-bounds memory access (CVE-2024-26664)

• kernel: wifi: mac80211: fix race condition on enabling fast-xmit (CVE-2024-26779)

• kernel: RDMA/srpt: Support specifying the srpt_service_guid parameter (CVE-2024-26744)

• kernel: RDMA/qedr: Fix qedr_create_user_qp error flow (CVE-2024-26743)

• kernel: tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc (CVE-2021-47185)

• kernel: do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak (CVE-2024-26901)

• kernel: RDMA/srpt: Do not register event handler until srpt device is fully setup (CVE-2024-26872)

• kernel: usb: ulpi: Fix debugfs directory leak (CVE-2024-26919)

• kernel: usb: xhci: Add error handling in xhci_map_urb_for_dma (CVE-2024-26964)

• kernel: USB: core: Fix deadlock in usb_deauthorize_interface() (CVE-2024-26934)

• kernel: USB: core: Fix deadlock in port "disable" sysfs attribute (CVE-2024-26933)

• kernel: fs: sysfs: Fix reference leak in sysfs_break_active_protection() (CVE-2024-26993)

• kernel: fat: fix uninitialized field in nostale filehandles (CVE-2024-26973)

• kernel: USB: usb-storage: Prevent divide-by-0 error in isd200_ata_command (CVE-2024-27059)

Bug Fix(es):

• kernel-rt: update RT source tree to the latest RHEL-8.10.z kernel (JIRA:RHEL-34640)

• kernel-rt: epoll_wait not reporting catching all events to application (JIRA:RHEL-23022)