UBUNTU-CVE-2022-50151

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: fix random warning message when driver load Warning log: 4.141392 Unexpected gfp: 0x4 GFPDMA32. Fixing up to gfp: 0xa20 GFPATOMIC. Fix your code! 4.150340 CPU: 1 PID: 175 Comm: 1-0050 Not tainted...

CVE-2022-49959 openvswitch: fix memory leak at failed datapath creation

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix memory leak at failed datapath creation ovsdpcmdnew-ovsdpchange-ovsdpsetupcallportids allocates array via kmalloc. If for some reason newvport fails during ovsdpcmdnew dp-upcallportids must be freed. Add missing...

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 ccp sev ioctl using kmalloc instead of kzalloc, which could lead to a kernel memory leak...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: KEYS: Trusted: dcp: Fix improper use of sg with CONFIGVMAPSTACK=y When CONFIGVMAPSTACK=y is enabled, DCP-trusted keys may crash during the encoding and decryption of the blob encryption key via the DCP crypto driver. This issue...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: safesetid: Check the size of policy writes. syzbot attempts to write a buffer with a large size to a sysfs entry. The writing is handled by handlepolicyupdate, which triggers a warning in kmalloc. Check the size specified for the...

kernel: wifi: rtw89: coex: check NULL return of kmalloc in btc_fw_set_monreg()

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: coex: check NULL return of kmalloc in btcfwsetmonreg kmalloc may fail, return value might be NULL and will cause NULL pointer dereference. Add check NULL return of kmalloc in btcfwsetmonreg...

kernel: udmabuf: change folios array from kmalloc to kvmalloc

In the Linux kernel, the following vulnerability has been resolved: udmabuf: change folios array from kmalloc to kvmalloc When PAGESIZE 4096, MAXPAGEORDER 10, 64bit machine, pagealloc only support 4MB. If above this, trigger this warn and return NULL. udmabuf can change size limit, if change it t...

kernel: mm, slub: avoid zeroing kmalloc redzone

In the Linux kernel, the following vulnerability has been resolved: mm, slub: avoid zeroing kmalloc redzone Since commit 946fa0dbf2d8 "mm/slub: extend redzone check to extra allocated kmalloc space than requested", setting origsize treats the wasted space objectsize - origsize as a redzone. Howev...

kernel: scsi: lpfc: Fix a possible null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix a possible null pointer dereference In function lpfcxcvrdatashow, the memory allocation with kmalloc might fail, thereby making rdpcontext a null pointer. In the following context and functions that use this...

PT-2025-18903 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved. The issue is related to the devm kmalloc array function in the fdp nci i2c read device properties function, which may fail and...

CVE-2022-49803

CVE-2022-49803 relates to the Linux kernel netdevsim memory leak in nsim_dev->fa_cookie. The issue arises when nsim_dev_trap_fa_cookie_write() allocates fa_cookie with kmalloc and assigns it to nsim_dev->fa_cookie, but nsim_drv_remove() fails to free it, leading to a leak reported by kmemle...

UBUNTU-CVE-2025-21950

In the Linux kernel, the following vulnerability has been resolved: drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmdioctl In the "pmcmdioctl" function, three memory objects allocated by kmalloc are initialized by "hcallgetcpustate", which are then copied to user space. The...

SUSE CVE-2024-58008

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: dcp: fix improper sg use with CONFIGVMAPSTACK=y With vmalloc stack addresses enabled CONFIGVMAPSTACK=y DCP trusted keys can crash during en- and decryption of the blob encryption key via the DCP crypto driver. This...

CVE-2024-58016

In the Linux kernel, the following vulnerability has been resolved: safesetid: check size of policy writes syzbot attempts to write a buffer with a large size to a sysfs entry with writes handled by handlepolicyupdate, triggering a warning in kmalloc. Check the size specified for write buffers...

DEBIAN-CVE-2024-58008

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: dcp: fix improper sg use with CONFIGVMAPSTACK=y With vmalloc stack addresses enabled CONFIGVMAPSTACK=y DCP trusted keys can crash during en- and decryption of the blob encryption key via the DCP crypto driver. This...

UBUNTU-CVE-2024-58016

In the Linux kernel, the following vulnerability has been resolved: safesetid: check size of policy writes syzbot attempts to write a buffer with a large size to a sysfs entry with writes handled by handlepolicyupdate, triggering a warning in kmalloc. Check the size specified for write buffers...

UBUNTU-CVE-2024-58008

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: dcp: fix improper sg use with CONFIGVMAPSTACK=y With vmalloc stack addresses enabled CONFIGVMAPSTACK=y DCP trusted keys can crash during en- and decryption of the blob encryption key via the DCP crypto driver. This...

SUSE CVE-2021-47649

In the Linux kernel, the following vulnerability has been resolved: udmabuf: validate ubuf-pagecount Syzbot has reported GPF in sgallocappendtablefrompages. The problem was in ubuf-pages == ZEROPTR. ubuf-pagecount is calculated from arguments passed from user-space. If user creates udmabuf with...

SUSE CVE-2022-49055

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check for potential null return of kmallocarray As the kmallocarray may return null, the 'eventwaitersi.wait' would lead to null-pointer dereference. Therefore, it is better to check the return value of kmallocarray t...

SUSE CVE-2022-49441

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...