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

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fixed potential corruption of the workqueue. In some cases, when running with the test-wwmutex code, I observed unusual behaviors where, sometimes, flushworkqueue seemed to return before all work threads had...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: turning foliotesthugetlb into a PageType. The current foliotesthugetlb function can be exploited by a concurrent folio split operation, resulting in a false positive—returning true for a folio that never belonged to hugetlbfs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU. Attempting to run the ioviter unit test on a nommu system, such as the qemu kc705-nommu emulation, results in a crash. KTAP version 1 Subtest: ioviter Module: kunitioviter 1..9 BUG:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fixed an out-of-bounds read in cifssanitizeprepath. When cifssanitizeprepath is called with an empty string or a string containing only delimiters e.g., /, the current logic attempts to check cursor2 - 1 before...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Ensure that the write index cannot be negative. The write index indicates which event the data corresponds to and accesses a per-file array. This index is passed by user processes during write calls as the fir...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: The “end” field should be set correctly when performing batch carry operations. Although the test suite covers this issue, it was somehow overlooked that this behavior was incorrect. The test...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: Do not dereference mddev after exportrdev Except for initial references, mddev-kobject is referenced by rdev-kobject. If the last rdev is freed, there is no guarantee that mddev is still valid. Therefore, mddev should no long...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fixed a race condition involving VMA iteration and mmstruct teardown. The exitmmap function will tear down the VMAs and the maple tree, provided that the mmaplock is held in write mode. Ensure that the maple tree remains...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: A memory leak was fixed in testgensynthcmd and testemptysynthevent. In testgensynthcmd, the buffer is freed only in the “fail” path. Therefore, the buffer may be leaked when there is no failure. Adding kfreebuf preven...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: The incorrect check in updateparentsubpartscpumask has been fixed. It was discovered that the check to determine whether a partition can use all the CPUs from the parent cpuset in updateparentsubpartscpumask was...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr-test: A memory leak was fixed in damondotestapplythreeregions. When CONFIGDAMONVADDRKUNITTEST=y is enabled, and CONFIGDEBUGKMEMLEAK=y and CONFIGDEBUGKMEMLEAKAUTOSCAN=y are set, the aforementioned memory leak is...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf, testrun: Fixed an alignment issue in bpfprogtestrunskb. We encountered a syzkaller issue due to an alignment fault for aarch64 architectures when KFENCE is enabled. When the size provided by the user’s bpf program is an o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential null-ptr-dereference in tracearray in kprobeeventgentestexit When testgenkprobecmd fails after kprobeeventgencmdend, it will go to delete, which will call kprobeeventdelete and release the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: Fixed an error of dividing by zero when the “wsum” is zero. When the weighted sum is zero, calculating the limit causes a division by zero error. This issue has been fixed by proceeding to the next level of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ICE: Fix for the crash in the ethtool offline loopback test. Since the conversion of ICE to the page pool, the ethtool loopback test crashes. BUG: Kernel NULL pointer dereferencing; address: 000000000000000c PF: Supervisor wri...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: crypto: akcipher – default implementation for setting a private key Changes from v1: - The default implementation of setpubkey was removed. It is assumed that an implementation must always have this callback defined, as there are...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bfq: fixed a use-after-free in bfqdispatchrequest KASAN reported a use-after-free when performing normal scsi-mq tests 69832.239032 ================================================================== 69832.241810 BUG: KASAN:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Firmware: csdsp – Fixed out-of-bounds memory read access in KUnit tests. KASAN reported an out-of-bounds access issue with csdspmockbinaddnameorinfo, because the length of the source string was rounded up to the allocation siz...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: avoided invalid memory access via nodeonlineNUMANONODE. KASAN reports: 4.668325 T0 BUG: KASAN: wild-memory-access in dmarparseonerhsa arch/x86/include/asm/bitops.h:214, arch/x86/include/asm/bitops.h:226,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: testfirmware: fixed a memory leak in testfirmwareinit. When miscregister failed in testfirmwareinit, the memory pointed to by testfwconfig-name was not released. The memory leak information is as follows: Unreferenced object...