Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.3.4. In the file fs/ksmbd/smb2pdu.c of ksmbd, there is a flaw where the UserName value is not properly checked. This occurs because the address of the security buffer is not taken into consideration, resulting in a out-of-bounds read...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation with a failed length check at nfsreadreply, when calling storeblock in the NFSv2 case...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: In the video:fbdev:arkfb function, the value of screensize is calculated based on user input. If the user provides an incorrect value, the value of screensize may be larger than info-screensize, which may lead to the following bu...

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: crypto: algifaead – Fixed the issue with the check for the minimum RX size during decryption. The check for the minimum receive buffer size did not take the tag size into account during decryption. This issue has been fixed by...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Enhanced sanity check during attribute list generation The nicreateattrlist function uses WARNON to catch error cases during attribute list generation. Currently, it only prints the stack trace, which may not be...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a null pointer dereference in dtInsertEntry Reported by syzbot General protection fault, likely for a non-canonical address 0xdffffc0000000001: 0000 1 PREEMPT SMP KASAN PTI KASAN: nullptrderef in range...

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: scsi: target: Fixed a NULL pointer dereferencing in corescsi3decodespeciport. The function corescsi3decodespeciport, during its error code path, corescsi3lunaclundependitem, passing the destsedeve pointer, which may be NULL. This...

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: f2fs: added a sanity check on sitbitmapsize. With the above testcase, resizing will generate a corrupted image that contains inconsistent metadata. Therefore, when mounting such an image, it will trigger a kernel panic. Steps to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: Fix endpoint check The syzbot fuzzer detected a problem with the udlfb driver, caused by an endpoint that does not have the expected type. usb 1-1: Failed to read the EDID byte 0; result: -71. usb 1-1: Unable to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: cx88: A null-ptr-deref bug was fixed in the bufferprepare function. When the driver calls cx88riscbuffer to prepare the buffer, the function call may fail, resulting in an empty buffer and a null-ptr-deref later in the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Corrected the incorrect validation of the next buffer length in smb2setea. There are multiple smb2eainfo buffers in the FILEFULLEAINFORMATION request from the client. ksmbd uses the NextEntryOffset of the current...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a UAF issue in bpftrampolinelinkcgroupshim The root cause of this bug is that when ‘bpflinkput’ reduces the refcount of ‘shimlink-link.link’ to zero, the resource is considered released, but may still be referenced via...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/dsi: fixed memory corruption caused by too many bridges. Added a missing sanity check on the bridge counter to prevent corruption of data beyond the fixed-sized bridge array, in case there are ever more than eight...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Loads the TSC multiplier of L1 based on L1’s state, not L2’s state. When emulating a nested VM-Exit, the TSC multiplier of L1 is loaded if L1’s desired ratio does not match the current ratio. This does not occur if L1’...

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

In the Linux kernel, the following vulnerabilities have been resolved: Drivers: Media: dvb-frontends/rtl2832 – Fixed an out-of-bounds write error. Ensured that the index in rtl2832pidfilter does not exceed 31 to prevent out-of-bounds access. dev-filters is a 32-bit value; therefore, the setbit an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: EDAC/mc: Fixed the error path ordering in edacmcalloc. When the mci-pvtinfo allocation in edacmcalloc fails, the error path will call putdevice, which will ultimately call the device’s release function. However, the initializatio...

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: xtnfacct – Do not assume that the acct name is terminated with a null character. BUG: KASAN: Out-of-bounds access to memory in ..lib/vsprintf.c:721 Size 1 was read at address ffff88801eac95c8 by task...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: A crash occurred when checking ZONEDEVICE. Not all pages apply to the pgtable check. An example is ZONEDEVICE pages: they directly map PFNs, and they never allocate pageext, even if there’s a struct page around...

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

In the Linux kernel, the following vulnerabilities have been resolved: usb-storage: alauda: Check whether the media is initialized. The member “uzonesize” of the struct alaudainfo will remain 0 if alaudainitmedia fails, potentially causing division errors in alaudareaddata and alaudawritelba. - A...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisipcie: Fixed out-of-bound access when a valid event group is used. The perf tool allows users to create event groups using the cmd 1. However, the driver does not check whether the array index is out of bounds wh...