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

Fixed packages 28

Vulnerabilities 3

• High 7.8
  CVE-2022-4378

  A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters …

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu
  Jan 5, 2023
• Medium 5.5
  CVE-2022-3564 Public exploit

  Linux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free

  A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommende…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu
  Oct 17, 2022
• Medium 5.5
  CVE-2022-4269

  A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirec…

  linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu
  Dec 5, 2022

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2150272
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2150999
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2152548
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_1220.json
• report
  https://access.redhat.com/security/cve/CVE-2022-3564
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-3564
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-3564
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=89f9f3cb86b1c63badaf392a83dd661d56cc50b1
• report
  https://access.redhat.com/security/cve/CVE-2022-4269
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-4269
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-4269
• report
  https://access.redhat.com/security/cve/CVE-2022-4378
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-4378
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-4378
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-avoid-integer-type-confusion-in-get_proc_long.patch
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-proc_skip_spaces-shouldn-t-think-it-is-working-on-c-strings.patch
• article
  https://seclists.org/oss-sec/2022/q4/178