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

Fixed packages 28

Vulnerabilities 4

• High 7.8
  CVE-2023-40283

  An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Aug 14, 2023
• High 7.8
  CVE-2024-26586

  mlxsw: spectrum_acl_tcam: Fix stack corruption

  In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_tcam: Fix stack corruption When tc filters are first added to a net device, the corresponding local port gets bound to an ACL group in the device. The group contains a lis…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 22, 2024
• Unscored —
  CVE-2021-46915

  netfilter: nft_limit: avoid possible divide error in nft_limit_init

  In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_limit: avoid possible divide error in nft_limit_init div_u64() divides u64 by u32. nft_limit_init() wants to divide u64 by u64, use the appropriate math function (div64_u64) di…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 27, 2024
• Unscored —
  CVE-2024-26602

  sched/membarrier: reduce the ability to hammer on sys_membarrier

  In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sys_membarrier On some systems, sys_membarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 24, 2024

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2231800
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2265645
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2266423
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2267695
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_2585.json
• report
  https://access.redhat.com/security/cve/CVE-2021-46915
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-46915
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-46915
• article
  https://lore.kernel.org/linux-cve-announce/2024022709-CVE-2021-46915-7ded@gregkh/
• report
  https://access.redhat.com/security/cve/CVE-2023-40283
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-40283
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-40283
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1728137b33c00d5a2b5110ed7aafb42e7c32e4a1
• report
  https://access.redhat.com/security/cve/CVE-2024-26586
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-26586
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-26586
• article
  https://lore.kernel.org/linux-cve-announce/2024022253-CVE-2024-26586-6632@gregkh/T/#u
• report
  https://access.redhat.com/security/cve/CVE-2024-26602
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-26602
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-26602
• article
  https://github.com/torvalds/linux/commit/944d5fe50f3f03daacfea16300e656a1691c4a23
• article
  https://lore.kernel.org/linux-cve-announce/2024022414-CVE-2024-26602-5e76@gregkh/