CVE-2025-38468 net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree

In the Linux kernel, the following vulnerability has been resolved: net/sched: Return NULL when htblookupleaf encounters an empty rbtree htblookupleaf has a BUGON that can trigger with the following: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class add dev lo...

CVE-2025-38468

In the Linux kernel, the following vulnerability has been resolved: net/sched: Return NULL when htblookupleaf encounters an empty rbtree htblookupleaf has a BUGON that can trigger with the following: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class add dev lo...

CVE-2025-38468 net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree

In the Linux kernel, the following vulnerability has been resolved: net/sched: Return NULL when htblookupleaf encounters an empty rbtree htblookupleaf has a BUGON that can trigger with the following: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class add dev lo...

CVE-2025-38468

CVE-2025-38468 in the Linux kernel affects the net/sched path where htb_lookup_leaf may trigger BUG_ON when handling an empty red-black tree during HTB dequeue. The described stack shows a sequence ending with a BUG_ON in htb_lookup_leaf, which is resolved by returning NULL from htb_lookup_leaf (...

Exploit for CVE-2025-38001

CVE-2025-38001 RBTree Family Drama Linux HFSC Eltree Use-...

njs:njs_process_script_fuzzer: Heap-buffer-overflow in njs_rbtree_insert

Project: http://hg.nginx.org/njs Detailed Report: https://oss-fuzz.com/testcase?key=5266070841917440 Project: njs Fuzzing Engine: libFuzzer Fuzz Target: njsprocessscriptfuzzer Job Type: libfuzzerasannjs Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 8 Crash Address: 0x516000001acd Cras...

njs:njs_process_script_fuzzer: Segv on unknown address in njs_rbtree_destroy_next

Project: http://hg.nginx.org/njs Detailed Report: https://oss-fuzz.com/testcase?key=4600058853261312 Project: njs Fuzzing Engine: libFuzzer Fuzz Target: njsprocessscriptfuzzer Job Type: libfuzzerasannjs Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State:...

CVE-2022-33744

Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged...

UBUNTU-CVE-2023-53002

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix a memory leak with reused mmapoffset drmvmanodeallow and drmvmanoderevoke should be called in balanced pairs. We call drmvmanodeallow once per-file everytime a user calls mmapoffset, but only call drmvmanoderevoke...

CVE-2023-53002: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix a memory leak with reused mmapoffset drmvmanodeallow and drmvmanoderevoke should be called in balanced pairs. We call drmvmanodeallow once per-file everytime a user calls mmapoffset, but only call drmvmanoderevoke...

Linux kernel tmpfs module race condition vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a contention issue when handling dquot rbtree. No details of the vulnerability are provided at this time...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: ref-verify: fix use-after-free after invalid ref action At btrfsreftreemod after we successfully inserted the new ref entry local variable 'ref' into the respective block entry's rbtree local variable 'be', if we find an...

DEBIAN-CVE-2023-52923

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: adapt set backend to use GC transaction API Use the GC transaction API to replace the old and buggy gc API and the busy mark approach. No set elements are removed from async garbage collection anymore, instea...

CVE-2023-52923: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: adapt set backend to use GC transaction API Use the GC transaction API to replace the old and buggy gc API and the busy mark approach. No set elements are removed from async garbage collection anymore, instea...

DEBIAN-CVE-2024-56581

In the Linux kernel, the following vulnerability has been resolved: btrfs: ref-verify: fix use-after-free after invalid ref action At btrfsreftreemod after we successfully inserted the new ref entry local variable 'ref' into the respective block entry's rbtree local variable 'be', if we find an...

UBUNTU-CVE-2024-56581

In the Linux kernel, the following vulnerability has been resolved: btrfs: ref-verify: fix use-after-free after invalid ref action At btrfsreftreemod after we successfully inserted the new ref entry local variable 'ref' into the respective block entry's rbtree local variable 'be', if we find an...

CVE-2024-56581 btrfs: ref-verify: fix use-after-free after invalid ref action

In the Linux kernel, the following vulnerability has been resolved: btrfs: ref-verify: fix use-after-free after invalid ref action At btrfsreftreemod after we successfully inserted the new ref entry local variable 'ref' into the respective block entry's rbtree local variable 'be', if we find an...

The vulnerability of the regmap component in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the regmap component in the Linux operating system’s kernel is related to double-freeing errors in the regcacherbtreeinserttoblock function. Exploiting this vulnerability can allow an attacker to cause a service failure...

PT-2024-36888

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free vulnerability has been identified in the Linux kernel, specifically in the btrfs file system. The issue occurs when an unexpected action of BTRFS DROP DELAYED REF is...

CVE-2024-50204

In the Linux kernel, the following vulnerability has been resolved: fs: don't try and remove empty rbtree node When copying a namespace we won't have added the new copy into the namespace rbtree until after the copy succeeded. Calling freemntns will try to remove the copy from the rbtree which is...