CVE-2024-44946

In the Linux kernel, the following vulnerability has been resolved: kcm: Serialise kcmsendmsg for the same socket. syzkaller reported UAF in kcmrelease. 0 The scenario is 1. Thread A builds a skb with MSGMORE and sets kcm-seqskb. 2. Thread A resumes building skb from kcm-seqskb but is blocked by...

CVE-2024-44946

CVE-2024-44946 (Linux kernel, KCM) has a confirmed UAF/double-free risk in kcm_release arising when one thread frees an skb still in the KCM write queue due to concurrent kcm_sendmsg() operations. The issue occurs when a thread building a MSG_MORE skb holds kcm->seq_skb while another thread co...

Windows IIS HTTP Protocol Stack Denial of Service

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Windows IIS HTTP Protocol Stack DOS', 'Description' = %q This module exploits CVE-2021-31166, a UAF bug in http.sys when parsing specially crafte...

CBL Mariner 2.0 Security Update: hyperv-daemons (CVE-2024-26983)

The version of hyperv-daemons installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-26983 advisory. - In the Linux kernel, the following vulnerability has been resolved: bootconfig: use memblockfreelate...

CVE-2024-43888

In the Linux kernel, the following vulnerability has been resolved: mm: listlru: fix UAF for memory cgroup The memcgroupfromslabobj is supposed to be called under rcu lock or cgroupmutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found b...

CVE-2024-43888

In the Linux kernel, the following vulnerability has been resolved: mm: listlru: fix UAF for memory cgroup The memcgroupfromslabobj is supposed to be called under rcu lock or cgroupmutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found b...

CVE-2024-43888 mm: list_lru: fix UAF for memory cgroup

In the Linux kernel, the following vulnerability has been resolved: mm: listlru: fix UAF for memory cgroup The memcgroupfromslabobj is supposed to be called under rcu lock or cgroupmutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found b...

CVE-2024-43888 mm: list_lru: fix UAF for memory cgroup

In the Linux kernel, the following vulnerability has been resolved: mm: listlru: fix UAF for memory cgroup The memcgroupfromslabobj is supposed to be called under rcu lock or cgroupmutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found b...

CVE-2022-48935

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48935

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48935 netfilter: nf_tables: unregister flowtable hooks on netns exit

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48935 netfilter: nf_tables: unregister flowtable hooks on netns exit

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48935

CVE-2022-48935 concerns a Linux kernel vulnerability in netfilter nf_tables. The issue arises when unregistering flowtable hooks on netns exit: if flowtable hooks are not unregistered before nf_tables_flowtable_destroy(), the hook core can report a use-after-free (KASAN) in nf_hook_entries_grow. ...

CVE-2022-48935 netfilter: nf_tables: unregister flowtable hooks on netns exit

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48913 blktrace: fix use after free for struct blk_trace

In the Linux kernel, the following vulnerability has been resolved: blktrace: fix use after free for struct blktrace When tracing the whole disk, 'dropped' and 'msg' will be created under 'q-debugfsdir' and 'bt-dir' is NULL, thus blktracefree won't remove those files. What's worse, the following...

CVE-2022-48913

The CVE-2022-48913 issue is a Linux kernel use-after-free in blk_trace (blktrace) allocated when tracing a full disk, where created files under q->debugfs_dir are not removed if bt->dir is NULL, allowing stale pointers (dropped, msg) to be dereferenced. The result is a KASAN-triggered use-a...

CVE-2022-48899 drm/virtio: Fix GEM handle creation UAF

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix GEM handle creation UAF Userspace can guess the handle value and try to race GEM object creation with handle close, resulting in a use-after-free if we dereference the object after dropping the handle's reference...

CVE-2024-43853

A use-after-free UAF flaw was found in the proccpusetshow function. This issue can allow an attacker to access the css of the root caused by a race condition when the cgrouproot should be freed when it is unmounted from the resource. Mitigation No mitigation is available for this issue other than...

Important: Red Hat Security Advisory: kpatch-patch-5_14_0-427_13_1 security update

An update for kpatch-patch-5140-427131 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: kpatch-patch-5_14_0-284_48_1 and kpatch-patch-5_14_0-284_52_1 security update

An update for kpatch-patch-5140-284481 and kpatch-patch-5140-284521 is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which give...