Red Hat Security Advisory: kernel security update

Fixed packages 73

Vulnerabilities 2

• High 7.5
  CVE-2024-21823

  Hardware logic with insecure de-synchronization in Intel(R) DSA and Intel(R) IAA for some Intel(R) 4th or 5th generatio…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu
  May 16, 2024
• High 7.0
  CVE-2023-6546 Public exploit

  Kernel: gsm multiplexing race condition leads to privilege escalation

  A race condition was found in the GSM 0710 tty multiplexor in the Linux kernel. This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line discipline enabled, and can lead to a use-after-free problem …

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Dec 21, 2023

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2255498
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2278989
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_4731.json
• report
  https://access.redhat.com/security/cve/CVE-2023-6546
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-6546
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-6546
• article
  https://github.com/torvalds/linux/commit/3c4f8333b582487a2d1e02171f1465531cde53e3
• article
  https://www.zerodayinitiative.com/advisories/ZDI-CAN-20527
• report
  https://access.redhat.com/security/cve/CVE-2024-21823
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-21823
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-21823