CVE-2021-47483

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcacherbtreeexit In regcacherbtreeinserttoblock, when 'present' realloc failed, the 'blk' which is supposed to assign to 'rbnode-block' will be freed, so 'rbnode-block' points a freed memory,...

CVE-2021-47479

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use-after-free in rtl8712dlfw Syzbot reported use-after-free in rtl8712dlfw. The problem was in race condition between r871xudevremove -ndoopen callback. It's easy to see from crash log, that driver accesses...

CVE-2021-47483

CVE-2021-47483 affects the Linux kernel regmap subsystem (regcache_rbtree). The issue is a double-free in error handling when a reallocation fails, causing rbnode->block to reference freed memory. The fix moves the rbnode->block assignment to immediately after a successful reallocation, ens...

CVE-2021-47479

The CVE-2021-47479 entry concerns the Linux kernel staging driver rtl8712 (rtl8712_dl_fw) with a use-after-free caused by a race between r871xu_dev_remove() and the ndo_open() callback. The issue arises when firmware is freed before the network device is unregistered, allowing the driver to acces...

CVE-2021-47470

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slabdebugfsfops When sysfsslabadd failed, we shouldn't call debugfsslabadd for s because s will be freed soon. And slabdebugfsfops will use s later leading to a use-after-free...

USN-6777-3: Linux kernel (GCP) vulnerabilities

Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service system crash. CVE-2023-47233 Several...

CVE-2024-27127

A double free vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute arbitrary code via a network. We have already fixed the vulnerability in the following version: QTS 5.1.7.2770 build 20240520...

CVE-2024-27127

A double free vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute arbitrary code via a network. We have already fixed the vulnerability in the following version: QTS 5.1.7.2770 build 20240520...

CVE-2023-52707

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fix use-after-free in epremovewaitqueue If a non-root cgroup gets removed when there is a thread that registered trigger and is polling on a pressure file within the cgroup, the polling waitqueue gets freed in the...

CVE-2023-52772

In the Linux kernel, the following vulnerability has been resolved: afunix: fix use-after-free in unixstreamreadactor syzbot reported the following crash 1 After releasing unix socket lock, u-oobskb can be changed by another thread. We must temporarily increase skb refcount to make sure this othe...

CVE-2023-52751

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in smb2queryinfocompound The following UAF was triggered when running fstests generic/072 with KASAN enabled against Windows Server 2022 and mount options...

CVE-2024-27127 QTS, QuTS hero

A double free vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute arbitrary code via a network. We have already fixed the vulnerability in the following version: QTS 5.1.7.2770 build 20240520...

CVE-2024-27127 QTS, QuTS hero

A double free vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute arbitrary code via a network. We have already fixed the vulnerability in the following version: QTS 5.1.7.2770 build 20240520...

CVE-2024-27127

CVE-2024-27127 is a double-free vulnerability affecting QNAP QTS and QuTS hero, enabling authenticated remote code execution over a network. Affected versions include QTS 5.1.x and QuTS hero h5.1.x; fixes are in QTS 5.1.7.2770 build 20240520 and later and QuTS hero h5.1.7.2770 build 20240520 and ...

CVE-2023-52752

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free bug in cifsdebugdataprocshow Skip SMB sessions that are being teared down e.g. @ses-sesstatus == SESEXITING in cifsdebugdataprocshow to avoid use-after-free in @ses. This fixes the following GPF wh...

CVE-2023-52741 cifs: Fix use-after-free in rdata->read_into_pages()

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix use-after-free in rdata-readintopages When the network status is unstable, use-after-free may occur when read data from the server. BUG: KASAN: use-after-free in readpagesfillpages+0x14c/0x7e0 Call Trace:...

CVE-2023-52741

CVE-2023-52741 is a Linux kernel vulnerability affecting the CIFS implementation. The flaw is a use-after-free in rdata->read_into_pages() that can occur when reading data from a server during unstable network conditions, manifested as a use-after-free in readpages_fill_pages. The issue is dem...

CVE-2023-52707

CVE-2023-52707: Linux kernel sched/psi use-after-free in ep_remove_wait_queue() can occur when a non-root cgroup is removed while a thread is polling a pressure file; the polling thread may access a freed waitqueue during file close/exit, causing a use-after-free. The issue is rooted in cgroup_fi...

CVE-2021-47335

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid racing on fsyncentryslab by multi filesystem instances As syzbot reported, there is an use-after-free issue during f2fs recovery: Use-after-free write at 0xffff88823bc16040 in kfence-10:...

CVE-2021-47278

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: pcigeneric: Fix possible use-after-free in mhipciremove This driver's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be...