Oracle Linux Security Advisory ELSA-2021-3548

https://linux.oracle.com/errata/ELSA-2021-3548.html

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

x86_64:
bpftool-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-abi-stablelists-4.18.0-305.19.1.el8_4.noarch.rpm
kernel-core-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-doc-4.18.0-305.19.1.el8_4.noarch.rpm
kernel-headers-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.19.1.el8_4.x86_64.rpm
perf-4.18.0-305.19.1.el8_4.x86_64.rpm
python3-perf-4.18.0-305.19.1.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.19.1.el8_4.x86_64.rpm

aarch64:
bpftool-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.19.1.el8_4.aarch64.rpm
perf-4.18.0-305.19.1.el8_4.aarch64.rpm
python3-perf-4.18.0-305.19.1.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.19.1.el8_4.aarch64.rpm


SRPMS:
https://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-305.19.1.el8_4.src.rpm

Related CVEs:

CVE-2021-3653




Description of changes:

[4.18.0-305.19.1.el8_4.OL8]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15-11.0.5.el8

[4.18.0-305.19.1.el8_4]
- libceph: allow addrvecs with a single NONE/blank address (Jeff Layton) [1996682 1972278]
- ice: Only lock to update netdev dev_addr (Michal Schmidt) [2000129 1995868]
- ice: don't remove netdev->dev_addr from uc sync list (Ken Cox) [2000130 1961018]

[4.18.0-305.18.1.el8_4]
- mfd: intel-lpss: Use devm_ioremap_uc for MMIO (Steve Best) [1989560 1986715]
- lib: devres: add a helper function for ioremap_uc (Steve Best) [1989560 1986715]
- ceph: fix test for whether we can skip read when writing beyond EOF (Jeff Layton) [1996680 1971101]
- arm64: memory: Add missing brackets to untagged_addr() macro (Chris von Recklinghausen) [1997998 1955809]
- arm64: tags: Preserve tags for addresses translated via TTBR1 (Chris von Recklinghausen) [1997998 1955809]
- arm64: entry: Move ct_user_exit before any other exception (Chris von Recklinghausen) [1997998 1955809]
- arm64: memory: Implement __tag_set() as common function (Chris von Recklinghausen) [1997998 1955809]
- arm64: mm: Really fix sparse warning in untagged_addr() (Chris von Recklinghausen) [1997998 1955809]
- arm64: untag user pointers in access_ok and __uaccess_mask_ptr (Chris von Recklinghausen) [1997998 1955809]
- arm64/mm: fix variable 'tag' set but not used (Chris von Recklinghausen) [1997998 1955809]
- arm64: entry: SP Alignment Fault doesn't write to FAR_EL1 (Chris von Recklinghausen) [1997998 1955809]
- arm64: compat: Add separate CP15 trapping hook (Chris von Recklinghausen) [1997998 1955809]
- arm64: don't restore GPRs when context tracking (Chris von Recklinghausen) [1997998 1955809]
- KVM: nSVM: always intercept VMLOAD/VMSAVE when nested (CVE-2021-3656) (Jon Maloy) [1985429 1985430] {CVE-2021-3656}
- KVM: SVM: add module param to control the #SMI interception (Jon Maloy) [1985429 1985430] {CVE-2021-3656}
- tty: Don't hold ldisc lock in tty_reopen() if ldisc present (Waiman Long) [1997999 1968271]
- tty/ldsem: Add lockdep asserts for ldisc_sem (Waiman Long) [1997999 1968271]
- tty: Simplify tty->count math in tty_reopen() (Waiman Long) [1997999 1968271]
- tty: Don't block on IO when ldisc change is pending (Waiman Long) [1997999 1968271]
- tty: Hold tty_ldisc_lock() during tty_reopen() (Waiman Long) [1997999 1968271]
- tty: Drop tty->count on tty_reopen() failure (Waiman Long) [1997999 1968271]
- [s390] s390/vtime: fix increased steal time accounting (Claudio Imbrenda) [1988386 1963075]
- XArray: Fix splitting to non-zero orders (Chris von Recklinghausen) [1997997 1946304]
- XArray: Fix split documentation (Chris von Recklinghausen) [1997997 1946304]
- ima: extend boot_aggregate with kernel measurements (Bruno Meneguele) [1997766 1977422]
- ceph: reduce contention in ceph_check_delayed_caps() (Jeff Layton) [1995862 1953430]
- ice: Stop processing VF messages during teardown (Ken Cox) [1997538 1986451]
- iavf: Set RSS LUT and key in reset handle path (Ken Cox) [1997536 1910853]
- KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653) (Jon Maloy) [1985412 1985413] {CVE-2021-3653}
- scsi: ibmvfc: Fix potential race in ibmvfc_wait_for_ops() (Steve Best) [1969792 1941180]
- [s390] s390/dasd: add missing discipline function (Claudio Imbrenda) [1995206 1981804]
- serial_core: switch to ->[sg]et_serial() (Artem Savkov) [1993872 1952415]
- net/mlx5e: Fix mapping of ct_label zero (Jan Stancek) [1983681 1915308]
- drm/qxl: add lock asserts to qxl_bo_vmap_locked + qxl_bo_vunmap_locked (Lyude Paul) [1992839 1907341]
- drm/qxl: rework cursor plane (Lyude Paul) [1992839 1907341]
- drm/qxl: move shadow handling to new qxl_prepare_shadow() (Lyude Paul) [1992839 1907341]
- drm/qxl: fix monitors object vmap (Lyude Paul) [1992839 1907341]
- drm/qxl: fix prime vmap (Lyude Paul) [1992839 1907341]
- drm/qxl: rename qxl_bo_kmap -> qxl_bo_vmap_locked (Lyude Paul) [1992839 1907341]
- drm/qxl: fix lockdep issue in qxl_alloc_release_reserved (Lyude Paul) [1992839 1907341]
- drm/qxl: use ttm bo priorities (Lyude Paul) [1992839 1907341]
- drm/qxl: more fence wait rework (Lyude Paul) [1992839 1907341]
- drm/qxl: properly handle device init failures (Lyude Paul) [1992839 1907341]
- drm/qxl: allocate dumb buffers in ram (Lyude Paul) [1992839 1907341]
- drm/qxl: simplify qxl_fence_wait (Lyude Paul) [1992839 1907341]
- drm/qxl: properly free qxl releases (Lyude Paul) [1992839 1907341]
- drm/qxl: handle shadow in primary destroy (Lyude Paul) [1992839 1907341]
- drm/qxl: properly pin/unpin shadow (Lyude Paul) [1992839 1907341]
- drm/qxl: release shadow on shutdown (Lyude Paul) [1992839 1907341]
- drm/qxl: unpin release objects (Lyude Paul) [1992839 1907341]
- drm/qxl: use drmm_mode_config_init (Lyude Paul) [1992839 1907341]
- qxl/ttm: drop the unusued no wait flag to reserve function (Lyude Paul) [1992839 1907341]


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