{"id":"RLSA-2021:4056","summary":"Important: kernel security, bug fix, and enhancement update","details":"The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385)\n\n* kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)\n\n* kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656)\n\nFor 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.\n\nBug Fix(es):\n\n* [HPE 8.3 bug] No EDAC MC0 message with one-DIMM two-processor configuration under Rocky Linux8.3 (BZ#1982182)\n\n* mlx: devlink port function shows all zero hw_addr (BZ#1986837)\n\n* net/sched: act_mirred: allow saving the last chain processed on xmit path (BZ#1992230)\n\n* Rocky Linux8.3 - System hang and / or r/o fs during SVC/v5k/v7k maintenance with ibmvfc (BZ#1993892)\n\n* Rocky Linux8.1 Snapshot3 - PVT:940:virt:4TB:LPM operation failed by returning HSCLA2CF, HSCL365C SRC's - Linux partition suspend timeout (-\u003e documentation/Linux Alert through LTC bug 182549) (BZ#1993952)\n\n* Rocky Linux8.4 - benchTableRepDMLAsyncBarrier regresses by 34% on Rocky Linux8.4 on POWER9 compared to Rocky Linux8.2 (performance) (BZ#1997431)\n\n* [panic] call trace: ice_probe+0x238/0x10f0 [ice] (BZ#1997539)\n\n* [ice, PTP] ice: fix GPIO 1PPS signal  (BZ#1997572)\n\n* Fix locality handling in the tpm_tis driver (BZ#1998219)\n\n* [ice, PTP]: fix Tx queue iteration for Tx timestamp enablement (BZ#2000128)\n\n* PCI passthrough with NVidia GPU \"Invalid device 0003:01:00.0 iommu_group file /sys/bus/pci/devices/0003:01:00.0/iommu_group is not a symlink\" (BZ#2000602)\n\n* [DELL 8.4 BUG] - System Hangs at Dell Logo When Boot to OS(e1000e with wrong GbE checksum) (BZ#2002335)\n\n* Rocky Linux8.4 - kernel: Fix hanging ioctl caused by wrong msg counter (BZ#2002635)\n\n* kernel: get_timespec64 does not ignore padding in compat syscalls (BZ#2003569)\n\n* [mlx5] eth0: hw csum failure (BZ#2005980)\n\n* xlog_grant_head_wait() does not return and system hangs (BZ#2007413)\n\n* panic while breaking a lease/delegation after user mode helper invocation (BZ#2010331)\n\n* Lockd invalid cast to nlm_lockowner (BZ#2010820)\n\n* [xfstests generic/388] XFS: Assertion failed: 0, file: fs/xfs/xfs_mount.c, line: 1218 (BZ#2011919)\n\nEnhancement(s):\n\n* [Intel 8.5 FEAT] ice: Enable PTP Support (BZ#1998220)\n\n* [Intel 8.5 FEAT] ice: Enable GPIO/SDP Support (BZ#1998221)","modified":"2026-02-05T00:45:07.416139Z","published":"2021-11-02T07:47:41Z","upstream":["CVE-2020-36385","CVE-2021-0512","CVE-2021-3656"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4056"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1974319"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1974491"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1983988"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-305.25.1.el8_4"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4056.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}