RLSA-2023:4517

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: use-after-free in l2capconnect and l2capleconnectreq in net/bluetooth/l2cap_core.c (CVE-2022-42896)

• kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281)

• kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829)

• kernel: use-after-free vulnerability in the perfgroupdetach function of the Linux Kernel Performance Events (CVE-2023-2235)

• kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)

• kernel: i2c: out-of-bounds write in xgeneslimproi2c_xfer() (CVE-2023-2194)

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.

Bug Fix(es):

• simultaneous writes to a page on xfs can result in zero-byte data (BZ#2184101)

• Rocky Linux 8.4 - kernel: fix _clearuser() inline assembly constraints (BZ#2192602)

• LPAR is crashed by Phyp when doing DLPAR CPU operations (BZ#2193375)

• ice: ptp4l cpu usage spikes (BZ#2203285)

• Kernel - Significant performance drop for getrandom system call when FIPS is enabled (compared to Rocky Linux 8.x for all x < 6.z) (BZ#2208127)

• macvlan: backports from upstream (BZ#2209686)

• Intel 8.9 BUG VROC: Pull VMD secondary bus reset patch (BZ#2211198)

• Incorrect target abort handling causes iscsi deadlock (BZ#2211494)

• swap deadlock when attempt to charge a page to a cgroup stalls waiting on I/O plugged on another task in swap code (BZ#2211513)

• BUGON "kernel BUG at mm/rmap.c:1041!" in _pagesetanonrmap() when vma->anonvma==NULL (BZ#2211658)

• Rocky Linux 8.9: IPMI updates and bug fixes (BZ#2211667)

• Rocky Linux 8.6 opening console with mkvterm on novalink terminal fails due to drmgr reporting failure (L3:) (BZ#2212373)

• Rocky Linux 8.8 - P10 DD2.0: Wrong numa_node is assigned to vpmem device (BZ#2212451)

• Rocky Linux 8.8 beta: Occasional stall during initialization of ipmi_msghandler (BZ#2213189)

• ESXi Rocky Linux 8: Haswell generation CPU are impacted with performance due to IBRS (BZ#2213366)

• xen: fix section mismatch error with xencallbackvector() and allocintrgate() (BZ#2214281)

• jitter: Fix RCT/APT health test during initialization (BZ#2215079)

• aacraid misses interrupts when a CPU is disabled resulting in scsi timeouts and the adapter being unusable until reboot. (BZ#2216498)

• Hyper-V Rocky Linux 8: Fix VM crash/hang Issues due to fast VF add/remove events (BZ#2216543)

• rbd: avoid fast-diff corruption in snapshot-based mirroring [8.9] (BZ#2216769)

• Regression of 3b8cc6298724 ("blk-cgroup: Optimize blkcgrstatflush()") (BZ#2220810)