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Red Hat: CVE-2024-36917: kernel: block: fix overflow in blk_ioctl_discard() (Multiple Advisories)

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Red Hat: CVE-2024-36917: kernel: block: fix overflow in blk_ioctl_discard() (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:L/Au:M/C:N/I:N/A:C)
Published
05/30/2024
Created
08/13/2024
Added
08/12/2024
Modified
08/12/2024

Description

In the Linux kernel, the following vulnerability has been resolved: block: fix overflow in blk_ioctl_discard() There is no check for overflow of 'start + len' in blk_ioctl_discard(). Hung task occurs if submit an discard ioctl with the following param: start = 0x80000000000ff000, len = 0x8000000000fff000; Add the overflow validation now.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2024-36917
  • RHSA-2024:5101
  • RHSA-2024:5102

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