CVE-2026-72451

In the Linux kernel, CVE-2026-72451 concerns the xfrm input state cache insertion path. The vulnerability arises because the code checks state validity before acquiring the global xfrm_state_lock, allowing a race where another party could kill the state after validation and cause a dead state to ...

PT-2026-72639

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the xfrm input state cache insertion code. The system verifies the state validity before acquiring the global xfrm state lock, allowing a state to be terminate...

UBUNTU-CVE-2025-59029

An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY...

CVE-2025-59029 Internal logic flaw in cache management can lead to a denial of service in PowerDNS Recursor

An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY...

glibc: null pointer dereferences after failed netgroup cache insertion

A flaw was found in the glibc netgroup cache. After a failed cache insertion, addgetnetgrentX tries to send the non-existing response after the not-found header. This can lead to a null pointer dereference that causes a crash or exit...

glibc: null pointer dereferences after failed netgroup cache insertion

A flaw was found in the glibc netgroup cache. After a failed cache insertion, addgetnetgrentX tries to send the non-existing response after the not-found header. This can lead to a null pointer dereference that causes a crash or exit...

glibc: null pointer dereferences after failed netgroup cache insertion

A flaw was found in the glibc netgroup cache. After a failed cache insertion, addgetnetgrentX tries to send the non-existing response after the not-found header. This can lead to a null pointer dereference that causes a crash or exit...

CVE-2024-33600

nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's nscd cache fails to add a not-found netgroup response to the cache, the client request can result in a null pointer dereference. This flaw was introduced in glibc 2.15 when the cache was added to nscd. This...

Glibc security vulnerabilities

glibc GNU C Library is the C standard library implemented by the GNU Project. A security vulnerability exists in glibc, which stems from an attempt by addgetnetgrentX to send a non-existent response after a cache insertion failure, which may result in a null pointer dereference that could cause t...