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

In the Linux kernel, the following vulnerabilities have been resolved: llc: Support for ETHPTR8022 has been removed. The syzbot reported a bug related to uninit-values. 0 llc previously supported ETHP8022 0x0004 and also ETHPTR8022 0x0011. The syzbot exploited this to trigger the bug. The code us...

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

In the Linux kernel, the following vulnerabilities have been resolved: inetdiag: The pad field in struct inetdiagreqv2 should be initialized. KMSAN reported an uninitialized access to uninitvalue in rawlookup. The diagnostic function for raw sockets uses the pad field in struct inetdiagreqv2 for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ata: libata-transport: Fix error handling in atatportadd In atatportadd, the return value of transportadddevice is not checked. As a result, a null pointer derefrence occurs when removing the module. This occurs because...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: pxa: fixed a null-pointer dereference in filter The kasprintf function would return a NULL pointer when kmalloc fails to allocate memory. It is necessary to check the return pointer before calling strcmp...

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

In the Linux kernel, the following vulnerabilities have been resolved: hfsplus: fixed an issue with uninit-value in copyname Bug reported by syzbot BUG: KMSAN: uninit-value in sizedstrscpy+0xc4/0x160 sizedstrscpy+0xc4/0x160 copyname+0x2af/0x320 fs/hfsplus/xattr.c:411 hfspluslistxattr+0x11e9/0x1a5...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: The network headers were pulled into gtpdevxmit. syzbot/KMSAN reported the use of uninitvalue in getdevxmit. 1 We must ensure that the IPv4 or IPv6 headers are pulled into skb-head before accessing fields within them. Use...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can lead to heap exhaustion in ntfsgetattributevalue in NTFS-3G from version 2021.8.22 onwards...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: Check the return value of platformgetresource. platformgetresource returns NULL in case of failure. Therefore, check its return value and propagate the error to prevent NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw in the Linux kernel was discovered in the i740 driver. The userspace program can pass any value to the driver through the ioctl interface. The driver does not check the value of ‘pixclock’, which may lead to a division by zero error...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8712: fixed an issue where uninit-value was present in r871xudrvinit. When ‘tmpU1b’ returns from r8712read8padapter, EE9346CR is 0, ‘mac6’ will not be initialized. BUG: KMSAN: uninit-value in r871xudrvinit+0x2d54/0x30...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: i740fb: Check the argument of i740calcvclk Since the user can control the arguments of the ioctl function from the user space, special arguments may lead to a divide-by-zero bug. If the user provides an improper...

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

In the Linux kernel, the following vulnerabilities have been resolved: - Do not allow gsosize to be set to GSOBYFRAGS. - A missing check in virtionethdrtoskb allowed syzbot to crash kernels again. Do not allow gsosize to be set to GSOBYFRAGS 0xffff, because this special value is used by the kerne...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: BPF: Fixed the re-attachment branch in bpftracingprogattach. The following scenario can cause a crash due to a missing attachbtf: 1 Load the rawtp program. 2 Load the fentry program with rawtp as targetfd. 3 Create a tracing...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed errors caused by “off-by-one” values when filling blocks with tlv entries during fast-commit operations. Due to several “off-by-one” errors, or perhaps due to a late change in design that wasn’t fully reflected in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is greater than 0x80, it represents a shift value. Ensure that the shift value is not too large before using it the maximum cluster size for...

Astra Linux – Vulnerability in exiv2

An invalid memory address dereferencing was discovered in the Exiv2::DataValue::read method in value.cpp in Exiv2 0.26. This vulnerability causes a segmentation fault and an application crash, resulting in a denial of service...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 has an improper restriction on write operations within the bounds of a memory buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: Check the return value of mdbitmapgetcounter. Check the return value of mdbitmapgetcounter in case it returns a NULL pointer, which would lead to a null pointer dereferencing. v2: Update the check to include...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mm/mempolicy: fixed an issue where uninit-value was present in mpolrebindpolicy. mpolsetnodemask mm/mempolicy.c does not set the nodemask when pol-mode is MPOLLOCAL. Check pol-mode before accessing pol-w.cpusetmemsallowed in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: hsr: Fixed uninit-value access in fillframeinfo Syzbot reports the following uninit-value access problems. ===================================================== BUG: KMSAN: uninit-value in fillframeinfo net/hsr/hsrforward.c:60...