Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Use kzalloc for sev ioctl interfaces to prevent kernel memory leaks. For some sev ioctl interfaces, input data may be less than or equal to SEVFWBLOBMAXSIZE, but larger than the data returned by the PSP firmware. In...

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: s390/cpumsf: Handling of CPU hotplug removal during sampling The handling of CPU hotplug removal triggers the following function calls: CPUHPAPPERFS390SFONLINE -- s390pmusfofflinecpu ... CPUHPAPPERFONLINE -- perfeventexitcpu The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: kmsan: fixed an issue where out-of-bounds access to shadow memory occurred. Running sha224kunit on a KMSAN-enabled kernel results in a crash in kmsaninternalsetshadoworigin: BUG: Unable to handle a page fault for the address:...

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

In the Linux kernel, the following vulnerability has been resolved: x86/entry32: CPU buffers are cleared after register restoration in NMI return. Currently, CPU buffers are cleared after a call to excnmi, but before the register state is restored. This may be acceptable for MDS mitigation, but n...

Astra Linux – Vulnerability in OpenSSL

Issue summary: Calling the OpenSSL API function SSLfreebuffers may cause memory to be accessed that was previously freed in some situations. Impact summary: Using memory that has already been freed can lead to various potential consequences, such as corruption of valid data, crashes, or execution...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Fixed the issue of information leakage due to DMAFROMDEVICE. The problem I’m addressing was discovered during the LTP test covering cve-2018-1000204. A brief description of what happens is as follows: 1 The test case sen...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel – Added error handling for dmamapsg calls The macro dmamapsg function may return 0 in the event of an error. This patch enables checks in case of a macro failure and ensures that previously mapped buffers are...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: comedi: vmk80xx: fixed transfer-buffer overflows The driver uses USB transfer buffers sized at the endpoint level, but until recently, there were no sanity checks on these buffer sizes. The commit e1f13c879a7c “staging: comedi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/neonbs – fixed an issue of out-of-bounds access due to short inputs. The bit-sliced implementation of AES-CTR operates on blocks of 128 bytes. For tail blocks or inputs that are shorter than 128 bytes, it will fall...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mlxsw: spectrumbuffers: Fixed memory corruption on Spectrum-4 systems The following two shared buffer operations utilize the Shared Buffer Status Register SBSR: devlink sb occupancy snapshot pci/0000:01:00.0 devlink sb occupan...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeonep: Added handling of SKB allocation failures in octepoqprocessrx. The buildskb function returns NULL in case of a memory allocation failure. Therefore, this behavior should be handled within octepoqprocessrx to prevent NUL...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xsk: fixed an integer overflow in xpcreateandassignumem Since the i and pool-chunksize variables are of type ‘u32’, their product can wrap around and then be cast to ‘u64’. This can result in two different XDP buffers pointing to...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: aead,cipher – The key buffer is zeroed after use. I.G 9.7.B for FIPS 140-3 specifies that variables temporarily holding cryptographic information should be zeroed once they are no longer needed. This is achieved by using...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Enforce hcall result buffer validity and size. Functions like plparhcall, plparhcall9, and related functions expect callers to provide valid result buffers of a certain minimum size. Currently, this is only...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed a potential use-after-free issue in jbd2fcwaitbufs. In jbd2fcwaitbufs, using bh after referencing the buffer’s head count may lead to a use-after-free. Therefore, ensure that the buffer is updated before referencing i...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring: Fixed ioreqprepasync with provided buffers. ioreqprepasync can import the provided buffers and commit the ring state by giving up on those buffers before doing so. If needed, they will be reimported later...

Astra Linux – Vulnerability in Firefox, Thunderbird

When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU implementation of VMWare’s paravirtual RDMA device. This flaw allows a malicious guest driver to execute hardware commands when shared buffers have not yet been allocated, potentially leading to a use-after-free condition...

Astra Linux – Vulnerability in glib2.0

A issue was discovered in GNOME GLib before versions 2.66.7 and 2.67.x before version 2.67.4. If the gbytearraynewtake function was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2^32, resulting in unintended length truncation...