Unscored RHSA-2021:1288 4 CVEs

Red Hat Security Advisory: kernel security and bug fix update

Published Sep 13, 2024 · Updated Jul 31, 2026

Ecosystem: Red Hat

Fixed packages 19

Release	Package	Fixed in
Red Hat · RHEL 6 ELS rhel_els:6	kernel	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-abi-whitelists	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-debug	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-debug-debuginfo	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-debug-devel	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-debuginfo	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-debuginfo-common-i686	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-debuginfo-common-s390x	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-debuginfo-common-x86_64	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-devel	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-doc	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-firmware	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-kdump	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-kdump-debuginfo	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	kernel-kdump-devel	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	perf	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	perf-debuginfo	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	python-perf	0:2.6.32-754.39.1.el6
Red Hat · RHEL 6 ELS rhel_els:6	python-perf-debuginfo	0:2.6.32-754.39.1.el6

Vulnerabilities 4

Unscored —

CVE-2020-29661 Public exploit

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allow…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu

Dec 9, 2020
Unscored —

CVE-2021-20265

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a …

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu

Mar 10, 2021
Unscored —

CVE-2021-27364

An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected b…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Mar 7, 2021
Unscored —

CVE-2021-27365 Public exploit

An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate lengt…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Mar 7, 2021

References

article
https://access.redhat.com/security/updates/classification/#important
report
https://bugzilla.redhat.com/show_bug.cgi?id=1906525
report
https://bugzilla.redhat.com/show_bug.cgi?id=1908827
report
https://bugzilla.redhat.com/show_bug.cgi?id=1930078
report
https://bugzilla.redhat.com/show_bug.cgi?id=1930080
advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1288.json
report
https://access.redhat.com/security/cve/CVE-2020-29661
advisory
https://www.cve.org/CVERecord?id=CVE-2020-29661
advisory
https://nvd.nist.gov/vuln/detail/CVE-2020-29661
report
https://access.redhat.com/security/cve/CVE-2021-20265
advisory
https://www.cve.org/CVERecord?id=CVE-2021-20265
advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-20265
report
https://access.redhat.com/security/cve/CVE-2021-27364
advisory
https://www.cve.org/CVERecord?id=CVE-2021-27364
advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-27364
report
https://access.redhat.com/security/cve/CVE-2021-27365
advisory
https://www.cve.org/CVERecord?id=CVE-2021-27365
advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-27365
article
https://www.openwall.com/lists/oss-security/2021/03/06/1