RLSA-2022:7444

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)

• Race condition in VTRESIZEX ioctl when vccons[i].d is already NULL leading to NULL pointer dereference (CVE-2020-36558)

• use-after-free vulnerability in function scosocksendmsg() (CVE-2021-3640)

• Memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c (CVE-2021-30002)

• smb2ioctlquery_info NULL Pointer Dereference (CVE-2022-0168)

• NULL pointer dereference in udfexpandfile_adinicbdue() during writeback (CVE-2022-0617)

• swiotlb information leak with DMAFROMDEVICE (CVE-2022-0854)

• Uninitialized registers on stack in nftdochain can cause kernel pointer leakage to UM (CVE-2022-1016)

• Race condition in sndpcmhw_free leading to use-after-free (CVE-2022-1048)

• use-after-free in tcnewtfilter() in net/sched/cls_api.c (CVE-2022-1055)

• use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184)

• NULL pointer dereference in x86emulateinsn may lead to DoS (CVE-2022-1852)

• buffer overflow in nftsetdescconcatparse() (CVE-2022-2078)

• nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)

• openvswitch: integer underflow leads to out-of-bounds write in reservesfasize() (CVE-2022-2639)

• use-after-free when psi trigger is destroyed while being polled (CVE-2022-2938)

• net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)

• possible to use the debugger to write zero into a location of choice (CVE-2022-21499)

• Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

• Memory leak in drivers/hid/hid-elo.c (CVE-2022-27950)

• Double free in emsusbstartxmit in drivers/net/can/usb/emsusb.c (CVE-2022-28390)

• Use after free in SUNRPC subsystem (CVE-2022-28893)

• use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)

• DoS in nfqnlmangle in net/netfilter/nfnetlinkqueue.c (CVE-2022-36946)

• nfsatomicopen() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)

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.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.7 Release Notes linked from the References section.