Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: lib/fonts: Fixed undefined behavior in bit shifting for getdefaultfont. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning “calltrace” is as follow...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: capabilities: Defined behavior in bit shifting for CAPTOMASK was fixed. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning during call tracing is a...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: Fixed incomplete validation of ioctl arguments. We tested and found an alarm caused by an incomplete validation of ioctl arguments without proper verification. The UBSAN warning message looks like this: UBSAN: Undefined...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006930)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006930 advisory. In the Linux kernel, the following vulnerability has been resolved: lib/fonts: fix undefined behavior in bit shift for getdefaultfont Shifting signed 32-bit value by...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21993)

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-2025-21993 advisory. - In the Linux kernel, the following vulnerability has been resolved: iscsiibft: Fix UBSAN shift-out-of- bound...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992302)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992302 advisory. In the Linux kernel, the following vulnerability has been resolved: net: mdio: fix undefined behavior in bit shift for mdiobusregister Shifting signed 32-bit value b...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-991209)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991209 advisory. In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix dma queue left shift overflow issue When queue number is 4, left shift overflows...

SUSE CVE-2025-40295

In the Linux kernel, the following vulnerability has been resolved: fscrypt: fix left shift underflow when inode-iblkbits PAGESHIFT When simulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, an error trace appears during partition table reading at boot...

CVE-2022-50628

In the Linux kernel, the following vulnerability has been resolved: drm/gud: Fix UBSAN warning UBSAN complains about invalid value for bool: 101.165172 drm Initialized gud 1.0.0 20200422 for 2-3.2:1.0 on minor 1 101.213360 gud 2-3.2:1.0: drm fb1: guddrmfb frame buffer device 101.213426 usbcore:...

DEBIAN-CVE-2022-50628

In the Linux kernel, the following vulnerability has been resolved: drm/gud: Fix UBSAN warning UBSAN complains about invalid value for bool: 101.165172 drm Initialized gud 1.0.0 20200422 for 2-3.2:1.0 on minor 1 101.213360 gud 2-3.2:1.0: drm fb1: guddrmfb frame buffer device 101.213426 usbcore:...

CVE-2022-50628 drm/gud: Fix UBSAN warning

In the Linux kernel, the following vulnerability has been resolved: drm/gud: Fix UBSAN warning UBSAN complains about invalid value for bool: 101.165172 drm Initialized gud 1.0.0 20200422 for 2-3.2:1.0 on minor 1 101.213360 gud 2-3.2:1.0: drm fb1: guddrmfb frame buffer device 101.213426 usbcore:...

CVE-2022-50628

In the Linux kernel, the following vulnerability has been resolved: drm/gud: Fix UBSAN warning UBSAN complains about invalid value for bool: 101.165172 drm Initialized gud 1.0.0 20200422 for 2-3.2:1.0 on minor 1 101.213360 gud 2-3.2:1.0: drm fb1: guddrmfb frame buffer device 101.213426 usbcore:...

CVE-2022-50628

CVE-2022-50628: The issue is a UBSAN warning in the gud driver of the Linux kernel caused by uninitialized iosys_map usage which can load an invalid _Bool value. The fix is to zero the iosys_map variables (in iosys_map_clear called from dma_buf_vmap). Connected sources corroborate that the bug ar...

CVE-2025-40295

In the Linux kernel, the following vulnerability has been resolved: fscrypt: fix left shift underflow when inode-iblkbits PAGESHIFT When simulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, an error trace appears during partition table reading at boot...

DEBIAN-CVE-2025-40295

In the Linux kernel, the following vulnerability has been resolved: fscrypt: fix left shift underflow when inode-iblkbits PAGESHIFT When simulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, an error trace appears during partition table reading at boot...

CVE-2025-40295 fscrypt: fix left shift underflow when inode->i_blkbits > PAGE_SHIFT

In the Linux kernel, the following vulnerability has been resolved: fscrypt: fix left shift underflow when inode-iblkbits PAGESHIFT When simulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, an error trace appears during partition table reading at boot...

CVE-2022-50628

In the Linux kernel, the following vulnerability has been resolved: drm/gud: Fix UBSAN warning UBSAN complains about invalid value for bool: 101.165172 drm Initialized gud 1.0.0 20200422 for 2-3.2:1.0 on minor 1 101.213360 gud 2-3.2:1.0: drm fb1: guddrmfb frame buffer device 101.213426 usbcore:...

PT-2025-49469

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.18-rc5-gud-5.18-rc5 Description The Linux kernel contains a flaw within the DRM/Gud subsystem related to uninitialized memory. Specifically, the iosys map variables are allocated on the stack without...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-990158)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990158 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix UBSAN warning in kvdpm.c Adds bounds check for sumovidmappingentry. Tenable has...