CVE-2026-63836

The CVE-2026-63836 issue is in batman-adv tp_meter within the Linux kernel, caused by a 32-bit arithmetic overflow in batadv_tp_update_cwnd() that can yield a divide-by-zero when cwnd reaches 0x20000000. The correct calculation should be (mss ** 2) * 8 / cwnd to avoid overflow, preserving the 8x ...

PT-2025-49673

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the ext4 filesystem related to rbtree traversal within the ext4 mb use preallocated function. Specifically, the issue arises during memory allocation...

EUVD-2025-199720

A heap-based buffer overflow problem was found in glib through an incorrect calculation of buffer size in the gescapeuristring function. If the string to escape contains a very large number of unacceptable characters which would need escaping, the calculation of the length of the escaped string...

Linux Distros Unpatched Vulnerability : CVE-2022-50478

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: fix shift-out-of-bounds/overflow in nilfssb2badoffset Patch series nilfs2: fix UBSAN shift- out-of-bounds warnings on mount time. The first patch fixes ...

CVE-2022-49749 i2c: designware: use casting of u64 in clock multiplication to avoid overflow

In the Linux kernel, the following vulnerability has been resolved: i2c: designware: use casting of u64 in clock multiplication to avoid overflow In functions i2cdwscllcnt and i2cdwsclhcnt may have overflow by depending on the values of the given parameters including the icclk. For example in our...

Can overflow linear vest calculation and lock up funds

Lines of code Vulnerability details Impact If a Claim object for a user has a large enough vesting time and/or linear vesting amount, then that object can get into a state such that the calculations in baseVestedAmount overflow. If the baseVestedAmount calculations overflow, then the associated...

CVE-2021-28706

guests may exceed their designated memory limit When a guest is permitted to have close to 16TiB of memory, it may be able to issue hypercalls to increase its memory allocation beyond the administrator established limit. This is a result of a calculation done with 32-bit precision, which may...

CVE-2021-28706

guests may exceed their designated memory limit When a guest is permitted to have close to 16TiB of memory, it may be able to issue hypercalls to increase its memory allocation beyond the administrator established limit. This is a result of a calculation done with 32-bit precision, which may...