Synopsis
Important: kernel security and bug fix update
Type/Severity
Security Advisory: Important
Topic
An update for kernel is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver (CVE-2019-14816)
- kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895)
- kernel: heap overflow in marvell/mwifiex/tdls.c (CVE-2019-14901)
- kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)
- kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi Driver leading to DoS (CVE-2019-14814)
- kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS (CVE-2019-14815)
- kernel: incomplete fix for race condition between mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599 (CVE-2019-14898)
- Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338)
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):
- [Azure][8.1] Include patch "PCI: hv: Avoid use of hv_pci_dev->pci_slot after freeing it" (BZ#1764635)
- block layer: update to v5.3 (BZ#1777766)
- backport xfs: fix missing ILOCK unlock when xfs_setattr_nonsize fails due to EDQUOT (BZ#1778692)
- Backport important bugfixes from upstream post 5.3 (BZ#1778693)
- LUN path recovery issue with Emulex LPe32002 HBA in RHEL 8.0 Server during storage side cable pull testing (BZ#1781108)
- cifs tasks enter D state and error out with "CIFS VFS: SMB signature verification returned error = -5" (BZ#1781110)
- Update CIFS to linux 5.3 (except RDMA and conflicts) (BZ#1781113)
- RHEL8.0 - Regression to RHEL7.6 by changing force_latency found during RHEL8.0 validation for SAP HANA on POWER (BZ#1781114)
- blk-mq: overwirte performance drops on real MQ device (BZ#1782181)
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Affected Products
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Red Hat Enterprise Linux for x86_64 8 x86_64
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 8 s390x
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Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
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Red Hat Enterprise Linux for Power, little endian 8 ppc64le
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Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
-
Red Hat Enterprise Linux for ARM 64 8 aarch64
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Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
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Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
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Red Hat CodeReady Linux Builder for x86_64 8 x86_64
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Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
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Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
-
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
-
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.1 x86_64
-
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.1 ppc64le
-
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.1 aarch64
Fixes
- BZ - 1744130 - CVE-2019-14814 kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi Driver leading to DoS
- BZ - 1744137 - CVE-2019-14815 kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS
- BZ - 1744149 - CVE-2019-14816 kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver
- BZ - 1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow
- BZ - 1773519 - CVE-2019-14901 kernel: heap overflow in marvell/mwifiex/tdls.c
- BZ - 1774671 - CVE-2019-14898 kernel: incomplete fix for race condition between mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599
- BZ - 1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
- BZ - 1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)
CVEs
References
Vulmon