RLSA-2024:5102

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: efivarfs: force RO when remounting if SetVariable is not supported (CVE-2023-52463)

• kernel: tracing: Restructure traceclockglobal() to never block (CVE-2021-46939)

• kernel: ext4: avoid online resizing failures due to oversized flex bg (CVE-2023-52622)

• kernel: net/sched: flower: Fix chain template offload (CVE-2024-26669)

• kernel: stmmac: Clear variable when destroying workqueue (CVE-2024-26802)

• kernel: efi: runtime: Fix potential overflow of soft-reserved region size (CVE-2024-26843)

• kernel: quota: Fix potential NULL pointer dereference (CVE-2024-26878)

• kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

• kernel: SUNRPC: fix a memleak in gssimportv2_context (CVE-2023-52653)

• kernel: dmaengine/idxd: hardware erratum allows potential security problem with direct access by untrusted application (CVE-2024-21823)

• kernel: ext4: fix corruption during on-line resize (CVE-2024-35807)

• kernel: x86/fpu: Keep xfdstate in sync with MSRIA32_XFD (CVE-2024-35801)

• kernel: dyndbg: fix old BUG_ON in >control parser (CVE-2024-35947)

• kernel: net/sched: act_skbmod: prevent kernel-infoleak (CVE-2024-35893)

• kernel: x86/mce: Make sure to grab mcesysfsmutex in set_bank() (CVE-2024-35876)

• kernel: platform/x86: wmi: Fix opening of char device (CVE-2023-52864)

• kernel: tipc: Change nlapolicy for bearer-related names to NLANUL_STRING (CVE-2023-52845)

• kernel: Revert "net/mlx5: Block entering switchdev mode with ns inconsistency" (CVE-2023-52658)

• kernel: crash due to a missing check for leb_size (CVE-2024-25739)

• kernel: tcp: make sure init the accept_queue's spinlocks once (CVE-2024-26614)

• kernel: tcp: add sanity checks to rx zerocopy (CVE-2024-26640)

• kernel: NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 (CVE-2024-26870)

• kernel: nfs: fix UAF in direct writes (CVE-2024-26958)

• kernel: SUNRPC: fix some memleaks in gssxdecoption_array (CVE-2024-27388)

• kernel: wifi: iwlwifi: mvm: don't set the MFP flag for the GTK (CVE-2024-27434)

• kernel: of: Fix double free in ofparsephandlewithargs_map (CVE-2023-52679)

• kernel: scsi: lpfc: Fix possible memory leak in lpfcrcvpadisc() (CVE-2024-35930)

• kernel: wifi: iwlwifi: mvm: rfi: fix potential response leaks (CVE-2024-35912)

• kernel: block: prevent division by zero in blkrqstat_sum() (CVE-2024-35925)

• kernel: wifi: ath11k: decrease MHI channel buffer length to 8KB (CVE-2024-35938)

• kernel: wifi: cfg80211: check A-MSDU format more carefully (CVE-2024-35937)

• kernel: wifi: rtw89: fix null pointer access when abort scan (CVE-2024-35946)

• kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005)

• kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

• kernel: mlxsw: spectrumacltcam: Fix incorrect list API usage (CVE-2024-36006)

• kernel: net: ieee802154: fix null deref in parse dev addr (CVE-2021-47257)

• kernel: mmc: sdio: fix possible resource leaks in some error paths (CVE-2023-52730)

• kernel: wifi: ath11k: fix gtk offload status event locking (CVE-2023-52777)

• (CVE-2023-52832)

• (CVE-2023-52803)
• (CVE-2023-52756)
• (CVE-2023-52834)
• (CVE-2023-52791)
• (CVE-2023-52764)
• (CVE-2021-47468)
• (CVE-2021-47284)
• (CVE-2024-36025)
• (CVE-2024-36941)
• (CVE-2024-36940)
• (CVE-2024-36904)
• (CVE-2024-36896)
• (CVE-2024-36954)
• (CVE-2024-36950)
• (CVE-2024-38575)
• (CVE-2024-36917)
• (CVE-2024-36016)
• (CVE-2023-52762)
• (CVE-2024-27025)
• (CVE-2021-47548)
• (CVE-2023-52619)

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