Red Hat Security Advisory: kernel security update

Fixed packages 142

Vulnerabilities 4

• High 7.8
  CVE-2024-40989

  KVM: arm64: Disassociate vcpus from redistributor region on teardown

  In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 12, 2024
• Medium 5.3
  CVE-2021-47384

  hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field

  In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field If driver read tmp value sufficient for (tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 21, 2024
• Unscored —
  CVE-2024-38627

  stm class: Fix a double free in stm_register_device()

  In the Linux kernel, the following vulnerability has been resolved: stm class: Fix a double free in stm_register_device() The put_device(&stm->dev) call will trigger stm_device_release() which frees "stm" so the vfree(stm) on the next line is a double free.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 21, 2024
• Unscored —
  CVE-2024-39499

  vmci: prevent speculation leaks by sanitizing event in event_deliver()

  In the Linux kernel, the following vulnerability has been resolved: vmci: prevent speculation leaks by sanitizing event in event_deliver() Coverity spotted that event_msg is controlled by user-space, event_msg->event_data.event is passed to event_deliver() an…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 12, 2024

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2282356
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2293700
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2297471
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2297573
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_11313.json
• report
  https://access.redhat.com/security/cve/CVE-2021-47384
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-47384
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-47384
• article
  https://lore.kernel.org/linux-cve-announce/2024052144-CVE-2021-47384-f311@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2024-38627
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-38627
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-38627
• article
  https://lore.kernel.org/linux-cve-announce/2024062140-CVE-2024-38627-9b57@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2024-39499
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-39499
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-39499
• article
  https://lore.kernel.org/linux-cve-announce/2024071203-CVE-2024-39499-ed0a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2024-40989
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-40989
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-40989
• article
  https://lore.kernel.org/linux-cve-announce/2024071249-CVE-2024-40989-c8da@gregkh/T