Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: fixed the issue of struct pid leaks in OOB support. The issue arises from queueoob calling maybeaddcreds, which potentially holds a reference to a pid. However, the destructor of skb is not set either directly or by...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Fixed a potential memory leak related to jitdata. Make sure that jitdata is freed through kfree in the error path...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Block: Fixed page ref counts for unaligned buffers in bioreleasepages. Fixed the issue where an incorrect number of pages were released for buffers that do not start at the beginning of a page...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dma-axi-dmac: The use of a DMA pool to manage DMA descriptors has been implemented. For architectures like Microblaze or Arm64 where this API is used, DMADIRECTREMAP is set, which means that dmaalloccoherent may remap...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smackfs: Restrict bytes count in smksetcipso Oops, I failed to update the subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 on Mon, Sep 17, 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: Restrict byt...

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

The qfqchangeclass function in net/sched/schqfq.c in the Linux kernel before version 6.2.13 allows a out-of-bounds write vulnerability, as lmax can exceed QFQMINLMAX...

Astra Linux – Vulnerability in Linux, Linux 5.10

The file net/netfilter/nfdupnetdev.c in the Linux kernel versions 5.4 through 5.6.10 allows local users to gain privileges due to a heap-out-of-bounds write. This issue is related to the nftablesoffload mechanism...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: This issue prevents Oops exceptions in fscacheputcache. This function dereferences the “cache” object, and then checks whether it is ISERRORNULL. It checks first, and then derefs the object...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211: Only QoS data frames are tracked for admission control. For admission control, it clearly only applies to QoS data frames. Otherwise, we wouldn’t even be able to access the QoS field in the header. Syzbot reported an...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: lockd: Other missing fields are set when unlocking files. The vfslockfile function expects that the struct filelock structure is fully initialized by the caller. If the flfile field is NULL after re-exporting NFSv3, an OOP err...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: xattr: fixed buffer overflow for invalid xattr values. When the xattr size is not as expected, it is printed out to the kernel log in hexadecimal format as a form of debugging. However, when that xattr size is larger than...

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: net: The TOCTOU issue in skisreadable has been fixed. sk-skprot-sockisreadable is a valid function pointer when sk resides in a sockmap. After the last skpsockput call which usually occurs when a socket is removed from the sockma...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fixed an issue where free was called after the memory was allocated. Our code analyzer reported a Use-after-Free UAF vulnerability. In the function siwallocmr, it calls siwmraddmemmr,.... In the implementation of...

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

In the Linux kernel, the following vulnerability has been resolved: kcm: Fixed a memory leak in the error path of kcmsendmsg. The syzbot reported a memory leak as follows: BUG: Memory leak Unreferenced object 0xffff88810b088c00 size 240: Comm “syz-executor186”, pid 5012, jiffies 4294943306 age...

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: fbdev: core: fbcvt: avoid division by 0 in fbcvthperiod In fbfindmodecvt, if mode-refresh happens to be 0x80000000, cvt.frefresh will become 0 when multiplied by 2 due to overflow. This value is then passed to fbcvthperiod, where...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: adv7511: Unregistering the i2c device after unregistering the CEC adapter. The cecunregisteradapter function assumes that the underlying CEC adapter is callable. For example, if the CEC adapter currently has a valid...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide that two queues are worth merging and set bic-stablemergebfqq and the moment bfqsetupmerge is called...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: mpt3sas: Fixed a memory leak Added a forgotten kfree function...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Security issue: Restrict CONFIGZEROCALLUSEDREGS to GCC or Clang version 15.0.6 or later. A bug in Clang’s implementation of -fzero-call-used-regs can lead to NULL pointer dereferencing see the links above the check for more...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed the use of “free” after calling “rmmod”. “platdev-dev-platformdata” is released by calling “platformdeviceunregister”. The use of “pclk” and “hclk” constitutes a use-after-free. Since “deviceunregister” does n...