Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bridge: switchdev: Fixed memory leaks when changing the VLAN protocol The bridge driver can offload VLANs to the underlying hardware either via switchdev or the 8021q driver. When the former is used, the VLAN is marked in the...

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

In the Linux kernel, the following vulnerability has been resolved: xfrm: Validates the prefix length of new SA entries using the SA family, when sel.family is unset. This extends the validation introduced in commit 07bf7908950a “xfrm: Validates address prefix lengths in the xfrm selector”. The...

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

In the Linux kernel, the following vulnerabilities have been resolved: filelock: Removes locks reliably when a race between fcntl/close operations is detected. When the fcntlsetlk operation races with the close operation, the created lock is removed using dolockfilewait. However, LSMs may allow t...

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

In the Linux kernel, the following vulnerability has been resolved: sysctl: Always initialize iuid/igid. iuid/igid is always initialized within the sysfs core, so setownership can safely skip setting them. The commit 5ec27ec735ba from “fs/proc/procsysctl.c: fix the default values of iuid/igid on...

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: RDMA/core: Fixed the issue “KASAN: slab-use-after-free Read in ibdevicerename”. Call Trace: dumpstack: lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0: lib/dumpstack.c:120 printaddressdescription: mm/kasan/report.c:408 inline...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: fixed page mapping when vmareaallocpages uses high-order fallback to order 0. The vmappagesrangenoflush function assumes that its argument pages contains pages with the same page shift. However, since commit...

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: In the net subsystem, there is a issue where packets with the type UFO are dropped in the udprcvSegment function. When sending a packet with the virtionethdr structure to a tun device, if the gsotype field in the virtionethdr...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFSv4: Fixed an error in pnfsmarkrequestcommit, when performing ODIRECT operations. Fixed an error-prone condition in pnfsmarkrequestcommit, when adding a set of write operations to the commit list in order to reschedule them...

Astra Linux – Vulnerability in Thunderbird

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text is never displayed to the user. This is because the text is interpreted as a MIME message, and the first paragraph is always treated as part of an email header section. A digitally signed text...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/pt: Fixed a crash that occurred with stop filters in single-range mode. A check for !buf-single was added before calling ptbufferregionsize in places where a missing check could cause a kernel crash. This fix...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: A use-after-free bug has been fixed in dupusercpusptr. Since commit 07ec77a1d4e8 “sched: Allows task CPU affinity to be restricted on asymmetric systems”, the setting and clearing of usercpusptr are performed under...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Calls boot services in mixed mode on the firmware’s stack Normally, the EFI stub calls into EFI boot services using the stack that was active when the stub was entered. According to the UEFI specification, this stack...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb – revert the use of devmkzalloc in btusb This change reverts to the behavior described in commit 98921dbd00c4e “Bluetooth: Use devmkzalloc in btusb.c file”. In btusbprobe, we use devmkzalloc to allocate the btusb...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: Fixed a crash that occurred when adding an interface under a latency condition. The commit 15faa1f67ab4 “lan966x: Fixed a crash that occurred when adding an interface under a latency condition” fixed a similar...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed TCP options overflow. Syzbot reported the following errors: Oops: general protection fault, likely due to a non-canonical address 0xdffffc0000000001: 0000 1 PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: bcm2835: Fixed out-of-bounds access when there are more than 4 slaves. The commit 571e31fa60b3 “spi: bcm2835: Fixed cache the CS register value for -preparemessage” limited the number of slaves to 3 at compile-time. This...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: batman-adv: fix error handling Syzbot reported an ODEBUG warning in batadvncmeshfree. The problem lay in incorrect error handling in batadvmeshinit. Before this patch, batadvmeshinit would call batadvmeshfree in case any...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Fixed null-ptr-deref in jfsioctrim Syzkaller Report Oops: General Protection Fault, likely for non-canonical addresses 0xdffffc0000000087: 0000 1 KASAN: null-ptr-deref in range 0x0000000000000438-0x000000000000043f CPU: 2...

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

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a use-after-free issue in ext4findextent when using bigalloc with inline data. Syzbot identified the following issue: - loop0: A change in capacity was detected, from 0 to 2048. - EXT4-fs loop0: The filesystem...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: landlock: Fixed the bypass of LANDLOCKSCOPESIGNAL on the SIGIO path. LANDLOCKSCOPESIGNAL must prevent a sandboxed process from signaling processes outside its Landlock domain. This bypass can occur through the asynchronous SIGIO...