Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: USB: usbfs: Do not issue a WARN message regarding excessively large memory allocations Syzbot discovered that the kernel generates a WARN message if the user attempts to perform a bulk transfer using usbfs with a buffer that i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: fixed a possible double-free of kmemcache When running the slubdebug test, the kfence’s “testmemcachetypesafebyrcu” kunit test case caused a use-after-free error: BUG: KASAN: use-after-free in kobjectdel+0x14/0x30...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – The ADFSTATUSPFRUNNING flag should be set after adfdevinit. The ADFSTATUSPFRUNNING flag is only used and checked by adfvf2pfshutdown before calling adfiovputmsg-mutexlockvf2pflock. However, vf2pflock is initialized ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In mm/hugetlb, do not call vmaaddreservation when ENOMEM occurs. sysbot reported a segmentation fault 1 in unmaphugepagerange. This occurs because vmaneedsreservation may return -ENOMEM if allocatefileregionEntries fails to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: The flag SBRDONLY is no longer set during the f2fshandlecriticalerror function. The syzbot reported the following bug: ------------ Cut here ------------ WARNING: CPU: 1, PID: 58, in kernel/rcu/sync.c:177, function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: ptrace: Fixed SVE writes on !SME systems When SVE is supported but SME is not supported, a ptrace write to NTARMSVE regset can place the tracee into an invalid state. In this state, non-streaming SVE register data i...

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: netfilter: nftables: Anonymous sets are never used with a timeout flag from the user space; this behavior should be rejected. An exception to this rule is when using NFTSETEVAL, to ensure that legacy metering mechanisms continue ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PM: domains: Fixed a sleep-in-atomic bug caused by genpddebugRemove When a genpd with GENPDFLAGIRQSAFE is removed, the following sleep-in-atomic bug will occur, as genpdDebugRemove will be called with a spinlock held. 0.029183 BU...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nouveau/dmem: handling of kcalloc allocation failures The kcalloc function in nouveaudmemevictchunk will return null if the physical memory runs out. As a result, if we dereference srcpfns, dstpfns, or dmaaddrs, null pointer...

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: netfilter: nftables: Honor the “dormant flag” from the netdev release event path. Check for the “dormant flag” of the table otherwise the netdev release event path attempts to unregister an already unregistered hook...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed the issue where skbcopyubufs was used in conjunction with BIG TCP, causing crashes due to TCP tx zerocopy using hugepages, and when the skb length exceeded approximately 68 KB. skbcopyubufs assumed that it could copy a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fixed a race condition related to the per-CQ variable napiworkdone. After calling napicompletedone, the NAPIFSTATESCHED bit may be cleared, allowing another CPU to start a napi thread and access the per-CQ variable...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a potential bug in endbufferasyncwrite According to a syzbot report, endbufferasyncwrite, which handles the completion of block device writes, may detect abnormal conditions of the asyncwrite flag and cause a BUGON...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwmac-rk: fix oob read in rkgmacsetup KASAN reports an out-of-bounds read in rkgmacsetup at the following line: while ops-regsi This issue occurs on most platforms, as the regs field in the flexible array is empty...

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: Media: pvrusb2: Fix for a UAF in pvr2contextsetnotify Reported by Syzbot Bug: KASAN: “Slab-use-after-free” in pvr2contextsetnotify+0x2c4/0x310; file: drivers/media/usb/pvrusb2/pvrusb2-context.c, line 35. A 4-byte read at address...

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 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fixed a deadlock in contextxa. The variable ivpudevice-contextxa is locked both in the kernel thread and in the IRQ context. This requires the XAFLAGSLOCKIRQ flag to be passed during initialization. Otherwise, the loc...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fixed a possible warning in privcmdioctlmmapresource. Since ‘kdata.num’ is a user-controlled data, if the user attempts to allocate memory larger than MAXORDER, then kcalloc will fail. This will also generate a stack...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not allow journal inode to have the encrypt flag Mounting a filesystem whose journal inode has the encrypt flag causes a NULL dereference in fscryptlimitioblocks when the ‘inlinecrypt’ mount option is used. The problem i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: DSA: Fix for panic upon shutdown if the multi-chip tree fails to probe. DSA probing is atypical because the device tree must probe all devices at once. Thus, out of N switches that call dsatreesetuproutingtable during probin...