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Red Hat Product Errata RHSA-2020:0661 - Security Advisory
Issued:
2020-03-03
Updated:
2020-03-03

RHSA-2020:0661 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel security and enhancement update

Type/Severity

Security Advisory: Important

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support.

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: use-after-free in fs/xfs/xfs_super.c (CVE-2018-20976)
  • 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: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c (CVE-2019-17133)
  • 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)

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.

Enhancement(s):

  • Selective backport: perf: Sync with upstream v4.16 (BZ#1782748)

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

  • Red Hat Enterprise Linux Server - AUS 7.2 x86_64

Fixes

  • BZ - 1743547 - CVE-2018-20976 kernel: use-after-free in fs/xfs/xfs_super.c
  • 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 - 1771909 - CVE-2019-17133 kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c
  • 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

CVEs

  • CVE-2018-20976
  • CVE-2019-14816
  • CVE-2019-14895
  • CVE-2019-17133
  • CVE-2019-17666

References

  • https://access.redhat.com/security/updates/classification/#important
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat Enterprise Linux Server - AUS 7.2

    SRPM
    kernel-3.10.0-327.85.1.el7.src.rpm SHA-256: 5fb71d22bf98420461a19735334463d32914a84da9da0cad97fccb0b5f9d6ad4
    x86_64
    kernel-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 047b6058738b0984ac84fe66fddcebecfa90a2f0347c5ef708d31409193d3888
    kernel-abi-whitelists-3.10.0-327.85.1.el7.noarch.rpm SHA-256: 6401259a5d9d1fef23690d346d2e8e2a686b1881df95bdaba7ec093ede5ab8ba
    kernel-debug-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 4bf0261030a4e78783e7276a24be54b1083b3b2d13aed0cd98bceda386dd9a32
    kernel-debug-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 7dcd58217bb7d55c2fba81443cff1787e4f316827e54a7a2ef31230e3b94e751
    kernel-debug-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 7dcd58217bb7d55c2fba81443cff1787e4f316827e54a7a2ef31230e3b94e751
    kernel-debug-devel-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: f7ef8476f08e8c1f099ffe967044d44f1344aa619e4501ed14cf1aa23b1b12fb
    kernel-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: fd6c6896a62195496bc5f15ae8c0c8319352b18ae3a2d6c1be677cb9bed6afb5
    kernel-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: fd6c6896a62195496bc5f15ae8c0c8319352b18ae3a2d6c1be677cb9bed6afb5
    kernel-debuginfo-common-x86_64-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: c8a1671547c225e2d48d867b4174e9abb0f5167c059353fe98a57db2e7da40be
    kernel-debuginfo-common-x86_64-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: c8a1671547c225e2d48d867b4174e9abb0f5167c059353fe98a57db2e7da40be
    kernel-devel-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: e10d2c362009b45a2db8d88dbe376115f75b7ee3fbee51af0a9712a79af27fcc
    kernel-doc-3.10.0-327.85.1.el7.noarch.rpm SHA-256: 21c091be4cad7826894a0687f0cc331b823b9374949f5ebe0def07a724f65cb0
    kernel-headers-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 9090ced10364569fc060d03a3fc548db1ec021d39d39b28b06c1da2c3200ffe7
    kernel-tools-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: d0386df329e3c3f2da3d82c6192a56499b0f51b94a17c5129db4596ba5489c3c
    kernel-tools-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 4fe237713d5e47c69e7afa68f5e0ec59ef70996e7d61b151d96ae884d392bc13
    kernel-tools-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 4fe237713d5e47c69e7afa68f5e0ec59ef70996e7d61b151d96ae884d392bc13
    kernel-tools-libs-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 3b78adccfcb712bbb32a381cb093ece1642c77dcd1467f54e0fdfca55ff897de
    kernel-tools-libs-devel-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 7811c59a0ae6116ec9b9411f59450e35d23fe1c93be1d8b8cc4e93f1cb24f4d2
    perf-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: b90531b11c64183f4e6b46e2a67bb7da8af1ae06f095d1a3c0c9e93455e668f5
    perf-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: f1a4928f9650fd5945bbfd36bb04bbea226fa5604bcf1bb7b498d63339522c71
    perf-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: f1a4928f9650fd5945bbfd36bb04bbea226fa5604bcf1bb7b498d63339522c71
    python-perf-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: abcdcf1cdaf431f664c68aac8360b674b4d09deace5cb4a2e4b3fbb25d6e5b8a
    python-perf-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 1175e233ada61466b3c0d4f0a166ec0c4c8d6dd3a1db22210ce990f4e0dfcea3
    python-perf-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm SHA-256: 1175e233ada61466b3c0d4f0a166ec0c4c8d6dd3a1db22210ce990f4e0dfcea3

    The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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