Red Hat Security Advisory: kpatch-patch security update

Fixed packages 20

Vulnerabilities 5

• Medium 6.4
  CVE-2021-0920 Exploited

  In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to loc…

  linux-raspi2 linux-hwe linux-azure linux-riscv Android Debian Ubuntu
  Dec 15, 2021

  KEV May 23, 2022
• High 7.8
  CVE-2022-22942 Public exploit

  The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to …

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu
  Dec 13, 2023
• Unscored —
  CVE-2020-0466

  In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This co…

  linux-raspi2 linux-hwe linux-azure linux-riscv Android Debian Ubuntu
  Dec 14, 2020
• Unscored —
  CVE-2021-4155

  A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files wi…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Aug 24, 2022
• Unscored —
  CVE-2022-0330

  A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may …

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Mar 25, 2022

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1920480
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2031930
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2034813
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2042404
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044809
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_0592.json
• report
  https://access.redhat.com/security/cve/CVE-2020-0466
• advisory
  https://www.cve.org/CVERecord?id=CVE-2020-0466
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2020-0466
• report
  https://access.redhat.com/security/cve/CVE-2021-0920
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-0920
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-0920
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cbcf01128d0a92e131bd09f1688fe032480b65ca
• article
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• report
  https://access.redhat.com/security/cve/CVE-2021-4155
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-4155
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-4155
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=983d8e60f50806f90534cc5373d0ce867e5aaf79
• report
  https://access.redhat.com/security/cve/CVE-2022-0330
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-0330
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-0330
• article
  https://www.openwall.com/lists/oss-security/2022/01/25/12
• report
  https://access.redhat.com/security/cve/CVE-2022-22942
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-22942
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-22942