CVE-2024-36917

Published: June 4, 2024Last modified: June 4, 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.

Status

References

• https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa
• https://git.kernel.org/stable/c/22d24a544b0d49bbcbd61c8c0eaf77d3c9297155
• https://git.kernel.org/stable/c/507d526a98c355e6f3fb2c47aacad44a69784bee
• https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d
• https://git.kernel.org/stable/c/8a26198186e97ee5fc4b42fde82629cff8c75cd6
• https://git.kernel.org/stable/c/e1d38cde2b7b0fbd1c48082e7a98c37d750af59b