Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: Added a check for the encoder in intelhdcpgetcapability. Sometimes during hotplug scenarios or suspend/resume scenarios, the encoder may not be initialized properly. To prevent null pointer dereferencing in the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netsched: Fixed a NULL dereference in fifosetlimit. syzbot reported another NULL dereference in fifosetlimit. 1 I can reproduce the issue with the following commands: unshare -n tc qd add dev lo root handle 1:0 tbf limit 20000...

Astra Linux – Vulnerability in Poppler

A issue was discovered in Poppler 0.71.0. There is a NULL pointer dereference in goo/GooString.h, which can lead to a denial of service. This issue is evident in utils/pdfdetach.cc, where it does not validate the filename of an embedded file before constructing a save path...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: misc: alcorpci: Fix nullptrderef when there is no PCI bridge There is an issue with the ASPM optional capability checking function. A device may be directly connected to the root complex. In this case, bus-selfbridge will be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: scsidebug: Do not call kcalloc if size argument is zero. If the size argument to kcalloc is zero, it returns ZEROSIZEPTR. Therefore, for the subsequent NULL pointer check to work on the returned pointer, kcalloc must not...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mac802154: fixed the missing INITLISTHEAD in ieee802154ifadd. The kernel fault injection test reports a NULL pointer dereference as follows: BUG: NULL pointer dereferencing in the kernel; address: 0000000000000008 RIP:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: usb: legacy: ncm: Fixed an NPE in gncmBind. The commit 56a512a9b410 “usb: gadget: fncm: Aligned netdevice lifecycle with bind/unbind” deferred the allocation of the netdevice. This change results in a NULL pointer derefrence in t...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed a possible NULL pointer dereferencing in sndusbpcmhasfixedrate. The argument of the subs function may be NULL; therefore, do not use it before a NULL check...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: sched/fair: Fixed an error in reweightentity. Syzbot detected a GPF in reweightentity. This issue has been fixed in commit 4ef0c5c6b5ba “kernel/sched: Fixed the issue where schedfork accesses an invalid schedtaskgroup”. There ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fixed the bug: KASAN: null-ptr-deref in rxeqpdocleanup. The function rxecreateqp calls rxeqpfrominit. If an error occurs, the error handler for rxeqpfrominit will set both scq and rcq to NULL. Then, rxecreateqp calls...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mfd: davincivoicecodec: Fixed a possible nullptrderef issue in davincivcprobe. This issue could lead to a nullptrderef when using ‘res’. If platformgetresource returns NULL, moving using ‘res’ after devmioremapresource will preve...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL pointer dereference occurred in amdgpudmconnectoraddcommonmodes. In amdgpudmconnectoraddcommonmodes, amdgpudmcreatecommonmode assigns mode to mode, and mode is directly passed to drmmodeprobedadd...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed an DFS traversal error without CONFIGCIFSDFSUPCALL. When compiled with CONFIGCIFSDFSUPCALL disabled, cifsdfsdautomount is NULL. The logic in cifs.ko for mapping CIFSFATTRDFSREFERRAL attributes to SAUTOMOUNT and...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Net: If sock is not available, do not access sock's skwq in skstreamwaitmemory. The following NULL pointer dereferences have been fixed: ... 14.471200 Call Trace: 14.471562 14.471882 lockacquire+0x245/0x2e0 14.472416 ?...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fixed the null-ptr-deref issue in hugetlbfsParseParam Syzkaller reported a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range...

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: pstore/ram: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

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

In the Linux kernel, the following vulnerability has been resolved: rpmsg: glink: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, causing a NULL pointer dereferencing in hdmihdcp.c and hdmihpd.c. Patch...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: Check IFFUP earlier in the Tx path. The Xsk Tx operation can be triggered via either sendmsg or poll system calls. Both paths involve a call to the common function xskxmit, which contains two sanity checks. Here’s a...