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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a memory leak that occurred when ntfsreadmft failed. When the label ATTRROOT in ntfsreadmft sets isroot = true and ni-niflags |= NIFLAGDIR, the next attribute will go to the label ATTRALLOC, resulting in an...

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: Set UXN on swapper page tables This issue was accidentally fixed upstream via c3cee924bd85 "arm64: head: cover the entire kernel image in the initial ID map", as part of a major refactoring of the arm64 boot process. This...

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...

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 5.10

In the Linux kernel, the following vulnerabilities have been resolved: crypto: krb5enc – Fix for skipping hash verification during asynchronous decryption. The krb5encdispatchdecrypt function sets req-base.complete as the skcipher callback. This means that the caller’s own completion handler is...

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

In the Linux kernel, the following vulnerabilities have been resolved: debugobjects: Do not wake up kswapd from fillpool. syzbot reports a lockdep warning in fillpool, because the allocation via debugobjects uses GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM. This attempt to wake up kswapd resul...

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: perf/x86/amd/core: Always clear status for idx The variable status which contains the unhandled overflow bits is not being properly masked in some cases, resulting in the following warning: WARNING: CPU: 156 PID: 475601 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Writeback: Do not block sync for file systems with no data integrity guarantees. A SBINODATAINTEGRITY superblock flag was added for file systems that cannot guarantee data persistence during sync e.g., fuse. For superblocks with...

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: netfs: Fix for double execution of the request. If a netfs request completes during the pause loop, the reference belonging to the INPROGRESS flag will be removed at that point. However, if the request proceeds to the final wait...

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, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was added for the F2FSInlineDATA flag in the inode during garbage collection GC. The syzbot reports the following f2fs bug: ------------ Cut here ------------ Kernel BUG: At fs/f2fs/inline.c:258 CPU: 1 PID: 3...

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed an issue related toracy under the cocurrent smb2 tree disconnect scenario. There is also a UAF issue under the cocurrent smb2 tree disconnect scenario. This patch introduces TREECONNEXPIRE flags for tcon to avoid...

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...