Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: binfmtmisc: fixed a out-of-bounds shift in checkspecialflags. UBSAN reported an out-of-bounds warning: A shift of 1 place by 31 places cannot be represented as a value of type ‘int’. Call trace: dumpstack lib/dumpstack.c:88...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fscrypt: fixed an underflow issue during left shift 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...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: powercap: intelrapl: Fixed the UBSAN shift-out-of-bounds issue. When value timeunit, the parameter of ilog2 will be zero, and the return value will be -1. u64-1 is too large for the shift exponent, potentially leading to a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Always call cephShiftUnusedFoliosLeft The function cephProcessFolioBatch sets the folioBatch entries to NULL, which is an illegal state. Before folioBatchRelease crashes due to this API violation, the function...

Astra Linux – Vulnerability in 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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: mdio: fixed an undefined behavior in bit shifting for mdiobusregister. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning appears as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fixed the issue where vmemmapshift exceeded MAXFOLIOORDER. When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel calculates pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn. T...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fixed an out-of-bounds shift in the group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: HID: core: fix shift-out-of-bounds in hidreportrawevent Syzbot reported a shift-out-of-bounds issue in hidreportrawevent. microsoft 0003:045E:07DA.0001: hidfieldextract called with n 128 32! swapper/0 UBSAN: shift-out-of-bounds i...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Added a check for the negative value of dbl2nbperpage. l2nbperpage is log2number of blks per page, and the minimum legal value should be 0, not negative. If l2nbperpage is negative, an error will occur when it is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: A potential out-of-bounds exception has been fixed in brcmfmac.brcmfwallocrequest. This patch addresses an out-of-bounds situation that occurs in brcmfmac when the chiprev provided by the device is too large. It...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG. This fix should apply to most URSAN bugs that were recently detected by syzbot, by addressing the issue related to dbMount. Since syzbot is allegedly feeding invalid data into the...

Astra Linux – Vulnerability in protobuf-c

It was discovered that Protobuf-c v1.4.0 contains an invalid arithmetic shift through the parsetagandwiretype function in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service DoS attack through unspecified vectors...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: gpio: wcd934x – Fixed the out-of-bounds shift error. The bit mask for pins 0 to 4 is actually BIT0 to BIT4, but we ended up using BITn – 1, which is incorrect. This issue was caught by the UBSAN check. UBSAN: Out-of-bounds shi...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: media: gspca: cpia1: shift-out-of-bounds in setflicker Syzkaller reported the following issue: UBSAN: Shift-out-of-bounds in drivers/media/usb/gspca/cpia1.c:1031:27; shift exponent 245 is too large for a 32-bit type ‘int’. Whe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: arm64: Fixed a shift-out-of-bounds bug Fixed a shift-out-of-bounds bug reported by UBSAN when running VMs with MTE enabled on host kernels. UBSAN: Shift-out-of-bounds in arch/arm64/kvm/sys regs.c:1988:14 The shift exponen...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: mcc: preventing shift wrapping in rtw89coremlsrswitch The value of “linkid” comes from the user via debugfs. If it is larger than BITSPERLONG, it will result in shift wrapping, potentially leading to out-of-bounds...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: amdsfh: Fix for shift-out-of-bounds The shift operation on the ‘exp’ and ‘shift’ variables exceeds the maximum number of shift values in the u32 range, resulting in a UBSAN shift-out-of-bounds error. … 6.120512 UBSAN:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbAllocAG Syzbot identified a crash issue: UBSAN: shift-out-of-bounds in dbAllocAG. The underlying bug lies in the lack of a check on bmp-dbagl2size. This field can be larger than 64, leading t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed the shift-out-of-bounds issue 567.613292 The shift exponent 255 is too large for the 64-bit type ‘long unsigned int’ 567.614498 CPU: 5 PID: 238 Comm: kworker/5:1 Tainted: G OE 6.2.0-34-generic 3422.04.1-Ubunt...