CVE-2024-56635 net: avoid potential UAF in default_operstate()

In the Linux kernel, the following vulnerability has been resolved: net: avoid potential UAF in defaultoperstate syzbot reported an UAF in defaultoperstate 1 Issue is a race between device and netns dismantles. After calling rtnlunlock from netdevruntodo, we can not assume the netns of each devic...

CVE-2024-56635 net: avoid potential UAF in default_operstate()

In the Linux kernel, the following vulnerability has been resolved: net: avoid potential UAF in defaultoperstate syzbot reported an UAF in defaultoperstate 1 Issue is a race between device and netns dismantles. After calling rtnlunlock from netdevruntodo, we can not assume the netns of each devic...

CVE-2024-53166

The CVE-2024-53166 entry concerns a Linux kernel bfq UAF in block/bfq. Root cause: bfq_limit_depth() dereferences bfqq loaded from bic without holding bfqd->lock, enabling a use-after-free when io_context is shared by multiple tasks (e.g., io_uring). Astra Linux security bulletin confirms a fi...

CVE-2024-53143

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix ordering of iput and watchedobjects decrement Ensure the superblock is kept alive until we're done with iput. Holding a reference to an inode is not allowed unless we ensure the superblock stays alive, which fsnotif...

CVE-2024-53139 sctp: fix possible UAF in sctp_v6_available()

In the Linux kernel, the following vulnerability has been resolved: sctp: fix possible UAF in sctpv6available A lockdep report 1 with CONFIGPROVERCULIST=y hints that sctpv6available is calling devgetbyindexrcu and ipv6chkaddr without holding rcu. 1 ============================= WARNING: suspiciou...

CVE-2023-52922

In the Linux kernel, the following vulnerability has been resolved: can: bcm: Fix UAF in bcmprocshow BUG: KASAN: slab-use-after-free in bcmprocshow+0x969/0xa80 Read of size 8 at addr ffff888155846230 by task cat/7862 CPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 230 Hardwar...

CVE-2023-52922 can: bcm: Fix UAF in bcm_proc_show()

In the Linux kernel, the following vulnerability has been resolved: can: bcm: Fix UAF in bcmprocshow BUG: KASAN: slab-use-after-free in bcmprocshow+0x969/0xa80 Read of size 8 at addr ffff888155846230 by task cat/7862 CPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 230 Hardwar...

CVE-2023-52921

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix possible UAF in amdgpucspass1 Since the gangsize check is outside of chunk parsing loop, we need to reset i before we free the chunk data. Suggested by Ye Zhang @VAR10CK of Baidu Security...

CVE-2023-52921 drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix possible UAF in amdgpucspass1 Since the gangsize check is outside of chunk parsing loop, we need to reset i before we free the chunk data. Suggested by Ye Zhang @VAR10CK of Baidu Security...

CVE-2024-50257 netfilter: Fix use-after-free in get_info()

In the Linux kernel, the following vulnerability has been resolved: netfilter: Fix use-after-free in getinfo ip6tablenat module unload has refcnt warning for UAF. call trace is: WARNING: CPU: 1 PID: 379 at kernel/module/main.c:853 moduleput+0x6f/0x80 Modules linked in: ip6tablenat- CPU: 1 UID: 0...

CVE-2024-49936

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: prevent UAF in xenvifflushhash During the listforeachentryrcu iteration call of xenvifflushhash, kfreercu does not exist inside the rcu read critical section, so if kfreercu is called when the rcu grace period en...

CVE-2024-50047 smb: client: fix UAF in async decryption

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in async decryption Doing an async decryption large read crashes with a slab-use-after-free way down in the crypto API. Reproducer: mount.cifs -o ...,seal,esize=1 //srv/share /mnt dd if=/mnt/largefile...

CVE-2024-50047

CVE-2024-50047 affects the Linux kernel SMB client (CIFS) path: an issue in async decryption can cause a slab-use-after-free in the crypto API when performing large reads. Root cause: use of a single AEAD TFM in parallel for async decryption leads to UAF; fix allocates a new AEAD TFM for async de...

CVE-2024-49950

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix uaf in l2capconnect Syzbot reported BUG: KASAN: slab-use-after-free in l2capconnect.constprop.0+0x10d8/0x1270 net/bluetooth/l2capcore.c:3949 Read of size 8 at addr ffff8880241e9800 by task kworker/u9:0/54 CP...

CVE-2024-49876

In the Linux kernel, the following vulnerability has been resolved: drm/xe: fix UAF around queue destruction We currently do stuff like queuing the final destruction step on a random system wq, which will outlive the driver instance. With bad timing we can teardown the driver with one or more wor...

CVE-2024-49950 Bluetooth: L2CAP: Fix uaf in l2cap_connect

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix uaf in l2capconnect Syzbot reported BUG: KASAN: slab-use-after-free in l2capconnect.constprop.0+0x10d8/0x1270 net/bluetooth/l2capcore.c:3949 Read of size 8 at addr ffff8880241e9800 by task kworker/u9:0/54 CP...

CVE-2024-49936 net/xen-netback: prevent UAF in xenvif_flush_hash()

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: prevent UAF in xenvifflushhash During the listforeachentryrcu iteration call of xenvifflushhash, kfreercu does not exist inside the rcu read critical section, so if kfreercu is called when the rcu grace period en...

CVE-2024-49903

CVE-2024-49903 is a Linux kernel vulnerability involving a slab-use-after-free in the JFS mapping code (dbFreeBits/dbFreeDmap) caused by a race between two paths (dbUnmount and jfs_ioc_trim) that access bmap. The race can lead to uaf when trimming or unmounting JFS and subsequently freeing object...

CVE-2024-49876

CVE-2024-49876 affects the Linux kernel DRM-Xe path. The issue is a use-after-free (UAF) around queue destruction where final destruction steps could run on a workqueue that outlives the driver instance, risking references to freed objects. The fix adds a fini step to ensure user queues are torn ...

CVE-2024-49874

CVE-2024-49874 affects the Linux kernel’s i3c master subsystem (svc_i3c_master). The issue is a use-after-free race between the worker threads bound to master->hj_work and master->ibi_work during cleanup. If the module is removed, master->base can be freed while a worker may still access...