Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011264)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011264 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: Update ipcompscratches with NULL when freed Currently if ipcompallocscratches fails to...

PT-2026-30172

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free flaw exists in the SPI subsystem during the controller registration failure path. This issue occurs when per-cpu statistics allocation fails, potentially leading to loca...

CVE-2026-23294 bpf: Fix race in devmap on PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in devmap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpdevbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and devflush run atomically...

EUVD-2025-206476

Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38202)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38202 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf: Check rcureadlocktraceheld in...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000942)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000942 advisory. Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001192)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001192 advisory. The pcpuembedfirstchunk function in mm/percpu.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002819)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002819 advisory. Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003504)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003504 advisory. The pcpuembedfirstchunk function in mm/percpu.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993225)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993225 advisory. In the Linux kernel, the following vulnerability has been resolved: dm stats: check for and propagate allocpercpu failure Check allocprecpu's return value and return...

Unity Linux 20.1060a Security Update: kernel (UTSA-2025-993151)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993151 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer...

EUVD-2023-60521

In the Linux kernel, the following vulnerability has been resolved: bpf: Address KCSAN report on bpflrulist KCSAN reported a data-race when accessing node-ref. Although node-ref does not have to be accurate, take this chance to use a more common READONCE and WRITEONCE pattern instead of datarace...

CVE-2023-54276

In the Linux kernel, the following vulnerability has been resolved: nfsd: move init of percpu replycachestats counters back to nfsdinitnet Commit f5f9d4a314da "nfsd: move reply cache initialization into nfsd startup" moved the initialization of the reply cache into nfsd startup, but didn't accoun...

CVE-2023-54283 bpf: Address KCSAN report on bpf_lru_list

In the Linux kernel, the following vulnerability has been resolved: bpf: Address KCSAN report on bpflrulist KCSAN reported a data-race when accessing node-ref. Although node-ref does not have to be accurate, take this chance to use a more common READONCE and WRITEONCE pattern instead of datarace...

CVE-2023-54276

Summary of CVE-2023-54276 (Linux kernel, nfsd): A regression caused a NULL pointer dereference when userland accessed /proc/fs/nfsd/reply_cache_stats before nfsd started. The bug arose after moving per-net+per-cpu reply-cache counters into nfsd startup, which did not account for the stats counter...

CVE-2023-54276 nfsd: move init of percpu reply_cache_stats counters back to nfsd_init_net

In the Linux kernel, the following vulnerability has been resolved: nfsd: move init of percpu replycachestats counters back to nfsdinitnet Commit f5f9d4a314da "nfsd: move reply cache initialization into nfsd startup" moved the initialization of the reply cache into nfsd startup, but didn't accoun...

Linux kernel 安全漏洞

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 Linux kernel that stems from improper initialization of the percpu replycachestats counter in nfsd, which could lead to null pointer...

PT-2025-54105

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s Network File System daemon nfsd related to the initialization of per-CPU reply cache statistics counters. A previous commit moved the initialization o...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992252)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992252 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer...

CVE-2023-54033

In the Linux kernel, the following vulnerability has been resolved: bpf: fix a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element on update before locking the target hash table bucket. Right after that the maps try to lock the bucket. If this fails,...