Red Hat Security Advisory: kernel-rt security update

Fixed packages 28

Vulnerabilities 5

• Critical 9.8
  CVE-2022-49407

  dlm: fix plock invalid read

  In the Linux kernel, the following vulnerability has been resolved: dlm: fix plock invalid read This patch fixes an invalid read showed by KASAN. A unlock will allocate a "struct plock_op" and a followed send_op() will append it to a global send_list data str…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 26, 2025
• High 8.8
  CVE-2022-49111

  Bluetooth: Fix use after free in hci_send_acl

  In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix use after free in hci_send_acl This fixes the following trace caused by receiving HCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without first checking if conn->…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 26, 2025
• High 8.8
  CVE-2022-49114

  scsi: libfc: Fix use after free in fc_exch_abts_resp()

  In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix use after free in fc_exch_abts_resp() fc_exch_release(ep) will decrease the ep's reference count. When the reference count reaches zero, it is freed. But ep is still used in …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 26, 2025
• High 7.8
  CVE-2022-49377

  blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx

  In the Linux kernel, the following vulnerability has been resolved: blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx blk_mq_run_hw_queues() could be run when there isn't queued request and after queue is cleaned up, at that time tagset is freed, because tag…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Feb 26, 2025
• High 7.1
  CVE-2023-1652

  A use-after-free flaw was found in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c in the NFS filesystem in the Linux Kernel.…

  linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu Azure Linux
  Mar 29, 2023

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2182031
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2347662
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2347929
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2347952
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2348136
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_10193.json
• report
  https://access.redhat.com/security/cve/CVE-2022-49111
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-49111
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-49111
• article
  https://lore.kernel.org/linux-cve-announce/2025022602-CVE-2022-49111-8795@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2022-49114
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-49114
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-49114
• article
  https://lore.kernel.org/linux-cve-announce/2025022602-CVE-2022-49114-86bb@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2022-49377
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-49377
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-49377
• article
  https://lore.kernel.org/linux-cve-announce/2025022647-CVE-2022-49377-4fdf@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2022-49407
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-49407
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-49407
• article
  https://lore.kernel.org/linux-cve-announce/2025022652-CVE-2022-49407-2755@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2023-1652
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-1652
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-1652
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e6cf91b7b47ff82b624bdfe2fdcde32bb52e71dd