Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: scarlett2: Added a missing error check to scarlett2usbsetconfig. The scarlett2usbsetconfig function calls scarlett2usbget, but did not check the result. If this function fails, an error is returned instead of continuing wit...

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: usb: cdc-acm: Check the control transfer buffer size before accessing it. If the first fragment is shorter than struct usbcdcnotification, we cannot calculate the expectedsize. Instead, log an error and discard the notification...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: fotg210 – a memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: libceph: Defined and enforced the CEPHMAXKEYLEN. When decoding the key, verify that the key material fits into a fixed-size buffer in processauthdone, and that its length is reasonable. The new CEPHMAXKEYLEN check replaces the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a reproduction example for u32classify: Bug:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an array-index-out-of-bounds read in addmissingindices. stbl is an s8 type, but it must contain offsets into slots that can range from 0 to 127. A bound check was added for this error, and the error -EIO is returned if...

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

In the Linux kernel, the following vulnerability has been resolved: ceph: fixed a deadlock or deadcode issue caused by misuse of dget. The lock order between denty and its parent is incorrect; we should always ensure that the parent gets the lock first. However, since this deadcode is never used,...

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

In the Linux kernel, the following vulnerability has been resolved: tipc: Force a dst refcount before doing decryption As stated in commit 3bc07321ccc2 “xfrm: Force a dst refcount before entering the xfrm type handlers”: “Crypto requests might return asynchronously. In this case, we leave the rcu...

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

In the Linux kernel, the following vulnerability has been resolved: usb:vhci-hcd: Do not drop references before new references are obtained. In several places, the driver maintains stale pointers to references that can still be used. Ensure that this does not occur. Strictly speaking, this resolv...

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: mm/memory-failure: Fixed the VMBUGONPAGE issue PagePoisonedpage when unmisting memory was performed. When I conducted memory failure tests, the following panic occurred: Page dumped because: VMBUGONPAGEPagePoisonedpage. Kernel BU...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: Destroy queues before realnumtxqueues is zeroed xennetDestroyQueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 “net-sysfs: Update the queue counts in the...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mfd: pcf50633-adc: Fixed a potential memory leak in pcf50633adcasyncread. The variable req is allocated in pcf50633adcasyncread, but adcenqueuerequest might fail to insert the req into the queue. We need to check the return value...

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: mfd: intelsocpmicbxtwc: Use the IRQ domain for TMU devices. While the idea of adapting the driver to utilize the hierarchy of IRQ chips is correct from a design perspective, the implementation contains flaws. This issue was...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommufd/iovabitmap: Fixed a out-of-bounds situation in iovabitmapoffsettoindex. A UBSAN out-of-bounds issue was addressed in iovabitmapoffsettoindex, where shifting the constant “1” of type int by bitmap-mapped.pgshift a unsigned...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: erofs: Properly handling NONHEAD !delta1 lclusters. The syzbot tool reported a warning in iomapiterdone: iomapfiemap+0x73b/0x9b0 fs/iomap/fiemap.c:80 ioctlfiemap fs/ioctl.c:220 inline Generally, NONHEAD lclusters will not have...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use the pmd-root from the last transaction when commit fails. Recently, we discovered a problem with a softlockup in the dm thin pool’s btree lookup code due to corrupted metadata. Kernel panic – not syncing: Softlockup:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Release the hbalock before calling lpfcworkerwakeup. The lpfcworkerwakeup function calls the lpfcworkdone routine, which requires holding the hbalock. Therefore, lpfcworkerwakeup should not be called while holding the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Memory issue: tegra20-emc – fixed a bug related to references to OF nodes in tegraemcfindnodebyramcode. When the offindnodebyname function releases the reference to the argument “device node”, the tegraemcfindnodebyramcode functi...

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: drm/vboxvideo: Replace the fake VLA at the end of vbvamousepointershape with a real VLA. Replace the fake VLA at the end of the vbvamousepointershape structure with a real VLA to fix a “memcpy: detected field-spanning write error...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xHCI: Corruption of the command ring pointer occurred during command aborts. The command ring pointer is located at bits 6:63 of the command ring control register CRCR. All control bits, such as those related to command stopping...