CVE-2022-48620 Memory corruption in n/a
A buffer overflow in libuev's epoll_wait function allows attackers to cause denial of service or execute arbitrary code via large maxevents values.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-48620?
CVE-2022-48620 is a critical memory corruption vulnerability in n/a, published on 12 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.
Weakness: CWE-120
Which versions are affected by CVE-2022-48620?
It affects 1 product.
Linux distribution packages (2)
libuev SUSE:Package Hub 15 SP5 | All versions | 2.4.1-bp155.3.3.1 |
libuev openSUSE:Leap 15.5 | All versions | 2.4.1-bp155.3.3.1 |
Products include Troglobit Libeuv.
How do I fix CVE-2022-48620?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-48620 being exploited?
There is no known exploitation of CVE-2022-48620 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-48620, DLA-4454-1, GHSA-hjg8-pr7m-gj33, UBUNTU-CVE-2022-48620, openSUSE-SU-2024:0023-1, openSUSE-SU-2024:13578-1.