CVE-2023-53077 drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes WHY When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2 returns an unexpected negative value: shift exponent 4294966273 is t...

CVE-2023-53077

CVE-2023-53077 affects the Linux kernel’s DRM AMD display path. The vulnerability arises in CalculateVMAndRowBytes when PTEBufferSizeInRequests is zero, causing UBSAN to warn due to dml_log2 returning an unexpectedly negative value (shift exponent 4294966273). The documented fix is to skip the dm...

SUSE CVE-2025-37761

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix an out-of-bounds shift when invalidating TLB When the size of the range invalidated is larger than rounddownpowoftwoULONGMAX, The function macro rounduppowoftwolength will hit an out-of-bounds shift 1. Use a full TLB...

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 a shift out-of-bounds in CalculateVMAndRowBytes...

DEBIAN-CVE-2022-49907

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 by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds ...

CVE-2022-49907

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 by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds ...

DEBIAN-CVE-2022-49870

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

CVE-2022-49870

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

UBUNTU-CVE-2022-49907

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 by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds ...

UBUNTU-CVE-2022-49870

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

UBUNTU-CVE-2022-49769

In the Linux kernel, the following vulnerability has been resolved: gfs2: Check sbbsizeshift after reading superblock Fuzzers like to scribble over sbbsizeshift but in reality it's very unlikely that this field would be corrupted on its own. Nevertheless it should be checked to avoid the...

CVE-2025-37761

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix an out-of-bounds shift when invalidating TLB When the size of the range invalidated is larger than rounddownpowoftwoULONGMAX, The function macro rounduppowoftwolength will hit an out-of-bounds shift 1. Use a full TLB...

UBUNTU-CVE-2025-37761

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix an out-of-bounds shift when invalidating TLB When the size of the range invalidated is larger than rounddownpowoftwoULONGMAX, The function macro rounduppowoftwolength will hit an out-of-bounds shift 1. Use a full TLB...

CVE-2022-49907 net: mdio: fix undefined behavior in bit shift for __mdiobus_register

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 by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds ...

CVE-2022-49907

CVE-2022-49907 is a Linux kernel issue in net: mdio related to undefined behavior from shifting a signed 32-bit value by 31 bits in __mdiobus_register. The root cause is an out-of-bounds bit shift in mdiobus initialization; the code was changed to use an unsigned type to avoid UB. A UBSAN warning...

CVE-2022-49907 net: mdio: fix undefined behavior in bit shift for __mdiobus_register

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 by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds ...

CVE-2022-49870 capabilities: fix undefined behavior in bit shift for CAP_TO_MASK

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

CVE-2022-49870

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

CVE-2022-49870 capabilities: fix undefined behavior in bit shift for CAP_TO_MASK

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAPTOMASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in...

CVE-2022-49870

In CVE-2022-49870, the Linux kernel fixes undefined behavior in the CAP_TO_MASK bit-shift operation. The issue arises when shifting a signed 32-bit value by 31 bits, triggering UBSAN warnings (shift-out-of-bounds) reported in security/commoncap.c. The vulnerability stems from shifting a value tha...