Red Hat Security Advisory: kernel security update

Fixed packages 141

Vulnerabilities 10

• High 7.8
  CVE-2025-38352 Exploited Public exploit

  posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

  In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() If an exiting non-autoreaping task has already passed exit_notify() and calls handle_posix_cpu_timers() …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 22, 2025

  KEV Sep 4, 2025
• High 7.8
  CVE-2025-22097

  drm/vkms: Fix use after free and double free on init error

  In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix use after free and double free on init error If the driver initialization fails, the vkms_exit() function might access an uninitialized or freed default_config pointer and it mi…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 16, 2025
• High 7.8
  CVE-2025-37914

  net_sched: ets: Fix double list add in class with netem as child qdisc

  In the Linux kernel, the following vulnerability has been resolved: net_sched: ets: Fix double list add in class with netem as child qdisc As described in Gerrard's report [1], there are use cases where a netem child qdisc will make the parent qdisc's enqueue…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 20, 2025
• High 7.8
  CVE-2025-38085

  mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

  In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race huge_pmd_unshare() drops a reference on a page table that may have previously been shared across processes, potentially turning it into a n…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 28, 2025
• High 7.8
  CVE-2025-38250

  Bluetooth: hci_core: Fix use-after-free in vhci_flush()

  In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix use-after-free in vhci_flush() syzbot reported use-after-free in vhci_flush() without repro. [0] From the splat, a thread close()d a vhci file descriptor while its de…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 9, 2025
• High 7.8
  CVE-2025-38464

  tipc: Fix use-after-free in tipc_conn_close().

  In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipc_conn_close(). syzbot reported a null-ptr-deref in tipc_conn_close() during netns dismantle. [0] tipc_topsrv_stop() iterates tipc_net(net)->topsrv->conn_idr an…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 25, 2025
• Medium 5.5
  CVE-2024-50102

  x86: fix user address masking non-canonical speculation issue

  In the Linux kernel, the following vulnerability has been resolved: x86: fix user address masking non-canonical speculation issue It turns out that AMD has a "Meltdown Lite(tm)" issue with non-canonical accesses in kernel space. And so using just the high bit…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Nov 5, 2024
• Unscored —
  CVE-2024-42094

  net/iucv: Avoid explicit cpumask var allocation on stack

  In the Linux kernel, the following vulnerability has been resolved: net/iucv: Avoid explicit cpumask var allocation on stack For CONFIG_CPUMASK_OFFSTACK=y kernel, explicit allocation of cpumask variable on stack is not recommended since it can cause potential…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 29, 2024
• Unscored —
  CVE-2025-38159

  wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds

  In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds Set the size to 6 instead of 2, since 'para' array is passed to 'rtw_fw_bt_wifi_control(rtwdev, para[0], &para[1])', whi…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 3, 2025
• Unscored —
  CVE-2025-38332

  scsi: lpfc: Use memcpy() for BIOS version

  In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Use memcpy() for BIOS version The strlcat() with FORTIFY support is triggering a panic because it thinks the target buffer will overflow although the correct target buffer size is…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 10, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2300709
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2323929
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360223
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2367500
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2375304
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2376064
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2378982
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2379246
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2382581
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383509
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_15668.json
• report
  https://access.redhat.com/security/cve/CVE-2024-42094
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-42094
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-42094
• article
  https://lore.kernel.org/linux-cve-announce/2024072911-CVE-2024-42094-135f@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2024-50102
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-50102
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-50102
• article
  https://lore.kernel.org/linux-cve-announce/2024110553-CVE-2024-50102-3d1e@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22097
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22097
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22097
• article
  https://lore.kernel.org/linux-cve-announce/2025041619-CVE-2025-22097-d4f5@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-37914
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37914
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37914
• article
  https://lore.kernel.org/linux-cve-announce/2025052000-CVE-2025-37914-1a4f@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38085
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38085
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38085
• article
  https://lore.kernel.org/linux-cve-announce/2025062836-CVE-2025-38085-8075@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38159
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38159
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38159
• article
  https://lore.kernel.org/linux-cve-announce/2025070339-CVE-2025-38159-0c95@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38250
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38250
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38250