RLSA-2023:5244

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

Security Fix(es):

• kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

• kernel: UAF in nftables when nftsetlookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)

• kernel: net/sched: clsfw component can be exploited as result of failure in tcfchange_indev function (CVE-2023-3776)

• kernel: netfilter: use-after-free due to improper element removal in nftpipaporemove() (CVE-2023-4004)

• kernel: nftables: stack-out-of-bounds-read in nftbyteorder_eval() (CVE-2023-35001)

• kernel: clsflower: out-of-bounds write in flsetgeneveopt() (CVE-2023-35788)

• kernel: bluetooth: Unauthorized management command execution (CVE-2023-2002)

• hw: amd: Cross-Process Information Leak (CVE-2023-20593)

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):

• low memory deadlock with md devices and external (imsm) metadata handling - requires a kernfs notification backport (BZ#2208540)

• Intel 8.9 BUG, SPR EMR FHF ACPI: Fix system hang during S3 wakeup (BZ#2218025)

• OCS 4.8, cephfs kernel crash: mdsdispatch cephhandle_snap unable to handle kernel NULL (BZ#2218271)

• stgmac: tx-checksum offload on vlan is not consistent with stgmac interface (BZ#2219907)

• refcountt overflow often happens in memcgroupidget_online() (BZ#2221010)

• avoid unnecessary page fault retires on shared memory types (BZ#2221100)

• enable conntrack clash resolution for GRE (BZ#2223542)

• ice: avoid bonding causing auxiliary plug/unplug under RTNL lock (BZ#2224515)

• libceph: harden msgr2.1 frame segment length checks [8.x] (BZ#2227073)

• Important iavf bug fixes July 2023 (BZ#2228161)

• i40e error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228163)

• oops on cifs_mount due to null tcon (BZ#2229128)

• iptables argument "--suppl-groups" in extension "owner" does not work in Rocky Linux8 (BZ#2229715)

• Hyper-V Rocky Linux 8: incomplete fctransport implementation in storvsc causes null dereference in fctimed_out() (BZ#2230743)

• Withdrawal: GFS2: could not freeze filesystem: -16 (BZ#2231825)

• Rocky Linux 8 Hyper-V: Excessive hvstorvsc driver logging with srbstatus SRBSTATUSINTERNAL_ERROR (0x30) (BZ#2231988)

• Rocky Linux-8: crypto: rng - Fix lock imbalance in cryptodelrng (BZ#2232215)

• Intel 8.9 iavf: Driver Update (BZ#2232399)

• Hyper-V Rocky Linux-8 hvstorvsc driver logging excessive storvsclog events for storvsconio_completion() function (BZ#2233227)

Enhancement(s):

• Intel 8.9 FEAT, EMR perf: Add EMR CPU PMU support (BZ#2230152)

• Intel 8.9 FEAT, SPR EMR power: Add uncore frequency control driver (BZ#2230158)

• Intel 8.9 FEAT EMR perf: RAPL PMU support on EMR (BZ#2230162)