The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade Amazon-Linux:2023
kernel-debuginfo-common-aarch64
to version 0:6.1.84-99.169.amzn2023 or higher.
This issue was patched in ALAS2023-2024-696
.
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-aarch64
package and not the kernel-debuginfo-common-aarch64
package as distributed by Amazon-Linux
.
See How to fix?
for Amazon-Linux:2023
relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
io_uring/net: fix overflow check in io_recvmsg_mshot_prep()
The "controllen" variable is type size_t (unsigned long). Casting it to int could lead to an integer underflow.
The check_add_overflow() function considers the type of the destination which is type int. If we add two positive values and the result cannot fit in an integer then that's counted as an overflow.
However, if we cast "controllen" to an int and it turns negative, then negative values can fit into an int type so there is no overflow.
Good: 100 + (unsigned long)-4 = 96 <-- overflow Bad: 100 + (int)-4 = 96 <-- no overflow
I deleted the cast of the sizeof() as well. That's not a bug but the cast is unnecessary.