Red Hat Security Advisory: kernel-rt security and bug fix update

Fixed packages 28

Vulnerabilities 2

• High 8.6
  CVE-2022-1055

  Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel

  A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Mar 29, 2022
• Unscored —
  CVE-2022-0494

  A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in the Linux kern…

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

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2039448
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2070220
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_6002.json
• report
  https://access.redhat.com/security/cve/CVE-2022-0494
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-0494
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-0494
• article
  https://lore.kernel.org/all/20220216084038.15635-1-tcs.kernel@gmail.com/
• report
  https://access.redhat.com/security/cve/CVE-2022-1055
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-1055
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-1055
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
• article
  https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc