CVE-2025-1866 Undefined Behavior Due to Out-of-Bounds Pointer Arithmetic in libwebsockets

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows Pointer Manipulation, potentially leading to out-of-bounds memory access. This issue affects libwebsockets before 4.3.4 and is present in code built specifically for the Win32...

SUSE CVE-2025-21724

In the Linux kernel, the following vulnerability has been resolved: iommufd/iovabitmap: Fix shift-out-of-bounds in iovabitmapoffsettoindex Resolve a UBSAN shift-out-of-bounds issue in iovabitmapoffsettoindex where shifting the constant "1" of type int by bitmap-mapped.pgshift an unsigned long val...

DEBIAN-CVE-2025-21815

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of 1UL order in isolatefreepagesblock. The bogus compoundorder can be any value because it is union with flags. Add back...

UBUNTU-CVE-2025-21800

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, fix definer's HWSSET32 macro for negative offset When bit offset for HWSSET32 macro is negative, UBSAN complains about the shift-out-of-bounds: UBSAN: shift-out-of-bounds in...

UBUNTU-CVE-2025-21804

In the Linux kernel, the following vulnerability has been resolved: PCI: rcar-ep: Fix incorrect variable used when calling devmrequestmemregion The rcarpcieparseoutboundranges uses the devmrequestmemregion macro to request a needed resource. A string variable that lives on the stack is then used ...

CVE-2025-21804

CVE-2025-21804 affects the Linux kernel in the PCI subsystem for rcar-ep. The root cause is an incorrect variable used when calling devm_request_mem_region(), where a stack-allocated string temporarily stored a dynamic resource name and was passed as a macro argument, causing undefined behavior. ...

CVE-2025-21804 PCI: rcar-ep: Fix incorrect variable used when calling devm_request_mem_region()

In the Linux kernel, the following vulnerability has been resolved: PCI: rcar-ep: Fix incorrect variable used when calling devmrequestmemregion The rcarpcieparseoutboundranges uses the devmrequestmemregion macro to request a needed resource. A string variable that lives on the stack is then used ...

CVE-2025-21804 PCI: rcar-ep: Fix incorrect variable used when calling devm_request_mem_region()

In the Linux kernel, the following vulnerability has been resolved: PCI: rcar-ep: Fix incorrect variable used when calling devmrequestmemregion The rcarpcieparseoutboundranges uses the devmrequestmemregion macro to request a needed resource. A string variable that lives on the stack is then used ...

CVE-2024-58017

In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOGBUFLENMAX Shifting 1 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 to u32 before performing the shift, ensuring...

DEBIAN-CVE-2024-58017

In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOGBUFLENMAX Shifting 1 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 to u32 before performing the shift, ensuring...

SUSE CVE-2022-49515

In the Linux kernel, the following vulnerability has been resolved: ASoC: cs35l41: Fix an out-of-bounds access in otppackedelementt The CS35L41NUMOTPELEM is 100, but only 99 entries are defined in the array otpmap1/2CS35L41NUMOTPELEM, this will trigger UBSAN to report a shift-out-of-bounds warnin...

SUSE CVE-2022-49720

In the Linux kernel, the following vulnerability has been resolved: block: Fix handling of offline queues in blkmqallocrequesthctx This patch prevents that test nvme/004 triggers the following: UBSAN: array-index-out-of-bounds in block/blk-mq.h:135:9 index 512 is out of range for type 'long...

CVE-2025-21724

In the Linux kernel, the following vulnerability has been resolved: iommufd/iovabitmap: Fix shift-out-of-bounds in iovabitmapoffsettoindex Resolve a UBSAN shift-out-of-bounds issue in iovabitmapoffsettoindex where shifting the constant "1" of type int by bitmap-mapped.pgshift an unsigned long val...

UBUNTU-CVE-2025-21724

In the Linux kernel, the following vulnerability has been resolved: iommufd/iovabitmap: Fix shift-out-of-bounds in iovabitmapoffsettoindex Resolve a UBSAN shift-out-of-bounds issue in iovabitmapoffsettoindex where shifting the constant "1" of type int by bitmap-mapped.pgshift an unsigned long val...

CVE-2024-58017

In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOGBUFLENMAX Shifting 1 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 to u32 before performing the shift, ensuring...

CVE-2024-58017 printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX

In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOGBUFLENMAX Shifting 1 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 to u32 before performing the shift, ensuring...

CVE-2024-58017 printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX

In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOGBUFLENMAX Shifting 1 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 to u32 before performing the shift, ensuring...

CVE-2025-21724

In the Linux kernel, the following vulnerability has been resolved: iommufd/iovabitmap: Fix shift-out-of-bounds in iovabitmapoffsettoindex Resolve a UBSAN shift-out-of-bounds issue in iovabitmapoffsettoindex where shifting the constant "1" of type int by bitmap-mapped.pgshift an unsigned long val...

CVE-2025-21724

CVE-2025-21724: In the Linux kernel’s iommufd/iova_bitmap, UBSAN shift-out-of-bounds occurred in iova_bitmap_offset_to_index() when shifting the constant 1 by bitmap->mapped.pgshift (unsigned long). If pgshift > 31, the 32-bit int shift overflowed, causing undefined behavior. The fix promot...

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 the Linux kernel that stems from an out-of-bounds shift operation in the iovabitmapoffsettoindex function, which could lead to undefined...