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centosCentOS ProjectCESA-2021:2314
HistoryJun 14, 2021 - 6:52 p.m.

bpftool, kernel, perf, python security update

2021-06-1418:52:13
CentOS Project
lists.centos.org
125

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

32.7%

CentOS Errata and Security Advisory CESA-2021:2314

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: Integer overflow in Intel® Graphics Drivers (CVE-2020-12362)

  • kernel: Use after free via PI futex state (CVE-2021-3347)

  • kernel: use-after-free in n_tty_receive_buf_common function in drivers/tty/n_tty.c (CVE-2020-8648)

  • kernel: Improper input validation in some Intel® Graphics Drivers (CVE-2020-12363)

  • kernel: Null pointer dereference in some Intel® Graphics Drivers (CVE-2020-12364)

  • kernel: Speculation on pointer arithmetic against bpf_context pointer (CVE-2020-27170)

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):

  • kernel crash when call the timer function (sctp_generate_proto_unreach_event) of sctp module (BZ#1707184)

  • SCSI error handling process on HP P440ar controller gets stuck indefinitely in device reset operation (BZ#1830268)

  • netfilter: reproducible deadlock on nft_log module autoload (BZ#1858329)

  • netfilter: NULL pointer dereference in nf_tables_set_lookup() (BZ#1873171)

  • [DELL EMC 7.9 Bug]: No acpi_pad threads on top command for “power cap policy equal to 0 watts” (BZ#1883174)

  • A race between i40e_ndo_set_vf_mac() and i40e_vsi_clear() in the i40e driver causes a use after free condition of the kmalloc-4096 slab cache. (BZ#1886003)

  • netxen driver performs poorly with RT kernel (BZ#1894274)

  • gendisk->disk_part_tbl->last_lookup retains pointer after partition deletion (BZ#1898596)

  • Kernel experiences panic in update_group_power() due to division error even with Bug 1701115 fix (BZ#1910763)

  • RHEL7.9 - zfcp: fix handling of FCP_RESID_OVER bit in fcp ingress path (BZ#1917839)

  • RHEL7.9 - mm/THP: do not access vma->vm_mm after calling handle_userfault (BZ#1917840)

  • raid: wrong raid io account (BZ#1927106)

  • qla2x00_status_cont_entry() missing upstream patch that prevents unnecessary ABRT/warnings (BZ#1933784)

  • RHEL 7.9.z - System hang caused by workqueue stall in qla2xxx driver (BZ#1937945)

  • selinux: setsebool can trigger a deadlock (BZ#1939091)

  • [Hyper-V][RHEL-7] Cannot boot kernel 3.10.0-1160.21.1.el7.x86_64 on Hyper-V (BZ#1941841)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-June/086128.html

Affected packages:
bpftool
kernel
kernel-abi-whitelists
kernel-debug
kernel-debug-devel
kernel-devel
kernel-doc
kernel-headers
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python-perf

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:2314

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

32.7%