bpf: Free special fields when update [lru_,]percpu_hash maps

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CVE-2025-68744

In the Linux kernel, the following vulnerability has been resolved: bpf: Free special fields when update lru,percpuhash maps As lru,percpuhash maps support BPFKPTRREF,PERCPU, missing calls to 'bpfobjfreefields' in 'pcpucopyvalue' could cause the memory referenced by BPFKPTRREF,PERCPU fields to be...

UBUNTU-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,...

CVE-2023-54033 bpf: fix a memory leak in the LRU and LRU_PERCPU hash maps

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,...

SUSE CVE-2025-68262

In the Linux kernel, the following vulnerability has been resolved: crypto: zstd - fix double-free in per-CPU stream cleanup The crypto/zstd module has a double-free bug that occurs when multiple tfms are allocated and freed. The issue happens because zstdstreams per-CPU contexts are freed in...

EUVD-2025-203748

In the Linux kernel, the following vulnerability has been resolved: crypto: zstd - fix double-free in per-CPU stream cleanup The crypto/zstd module has a double-free bug that occurs when multiple tfms are allocated and freed. The issue happens because zstdstreams per-CPU contexts are freed in...

UBUNTU-CVE-2025-68262

In the Linux kernel, the following vulnerability has been resolved: crypto: zstd - fix double-free in per-CPU stream cleanup The crypto/zstd module has a double-free bug that occurs when multiple tfms are allocated and freed. The issue happens because zstdstreams per-CPU contexts are freed in...

CVE-2025-68262 crypto: zstd - fix double-free in per-CPU stream cleanup

In the Linux kernel, the following vulnerability has been resolved: crypto: zstd - fix double-free in per-CPU stream cleanup The crypto/zstd module has a double-free bug that occurs when multiple tfms are allocated and freed. The issue happens because zstdstreams per-CPU contexts are freed in...

PT-2025-51675

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The crypto/zstd module contains a flaw where per-CPU streams can be freed multiple times, leading to a double-free issue. This occurs when multiple transform contexts tfms are allocated...

Linux Distros Unpatched Vulnerability : CVE-2025-68262

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: zstd - fix double-free in per-CPU stream cleanup The crypto/zstd module has a double-free bug that occurs when multiple tfms are allocated and freed. Th...

CVE-2023-53790

In the Linux kernel, the following vulnerability has been resolved: bpf: Zeroing allocated object from slab in bpf memory allocator Currently the freed element in bpf memory allocator may be immediately reused, for htab map the reuse will reinitialize special fields in map value e.g., bpfspinlock...

SUSE CVE-2022-50646

In the Linux kernel, the following vulnerability has been resolved: scsi: hpsa: Fix possible memory leak in hpsainitone The hpdaallocctlrinfo allocates h and its field replymap. However, in hpsainitone, if allocpercpu failed, the hpsainitone jumps to clean1 directly, which frees h and leaks the...

EUVD-2023-60116

In the Linux kernel, the following vulnerability has been resolved: bpf: Zeroing allocated object from slab in bpf memory allocator Currently the freed element in bpf memory allocator may be immediately reused, for htab map the reuse will reinitialize special fields in map value e.g., bpfspinlock...

CVE-2022-50646

CVE-2022-50646 affects the Linux kernel SCSI HPSA path. The vulnerability is due to a memory leak in hpsa_init_one() where, on alloc_percpu() failure, the code frees the allocated structure but leaks h->reply_map. The patch fixes this by calling hpda_free_ctlr_info() to release h->reply_map...

CVE-2025-40160

In the Linux kernel, the following vulnerability has been resolved: xen/events: Return -EEXIST for bound VIRQs Change findvirq to return -EEXIST when a VIRQ is bound to a different CPU than the one passed in. With that, remove the BUGON from bindvirqtoirq to propogate the error upwards. Some VIRQ...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990801)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990801 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: tcpmakesynack can be called from process context tcprtxsynack now could be called in process...

kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy

In the Linux kernel, the following vulnerability has been resolved: fs: fix UAF/GPF bug in nilfsmdtdestroy In allocinode, inodeinitalways could return -ENOMEM if securityinodealloc fails, which causes inode-iprivate uninitialized. Then nilfsismetadatafileinode returns true and nilfsfreeinode...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-989945)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989945 advisory. In the Linux kernel, the following vulnerability has been resolved: sh: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989820)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989820 advisory. In the Linux kernel, the following vulnerability has been resolved: sh: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989533)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989533 advisory. In the Linux kernel, the following vulnerability has been resolved: sh: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and...