Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Fixed packages 43

Vulnerabilities 7

• 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
• Critical 9.8
  CVE-2021-47544

  tcp: fix page frag corruption on page fault

  In the Linux kernel, the following vulnerability has been resolved: tcp: fix page frag corruption on page fault Steffen reported a TCP stream corruption for HTTP requests served by the apache web-server using a cifs mount-point and memory mapping the relevant…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 24, 2024
• 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-2021-4028

  A flaw in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu
  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
• Unscored —
  CVE-2022-0435 Public exploit EPSS 68%

  A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user sends a packet with…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Mar 25, 2022
• Unscored —
  CVE-2022-0516

  A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Lin…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Mar 8, 2022

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2027201
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2031930
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2042404
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044809
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2048738
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2050237
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2052984
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_0777.json
• 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-2021-4028
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-4028
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-4028
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0bdc5afaa74
• article
  https://lkml.org/lkml/2021/10/4/697
• report
  https://access.redhat.com/security/cve/CVE-2021-47544
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2283406
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-47544
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-47544
• article
  https://lore.kernel.org/linux-cve-announce/2024052440-CVE-2021-47544-ceb5@gregkh/T
• 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-2022-0435
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-0435
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-0435
• article
  https://www.openwall.com/lists/oss-security/2022/02/10/1
• report
  https://access.redhat.com/security/cve/CVE-2022-0516
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-0516
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-0516
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09a93c1df3eafa43bcdfd7bf837c574911f12f55
• 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