Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/perf: Fixed powerpmudisable to call clearpmiirqpending only if PMI is pending. Running a self-test with CONFIGPPCIRQSOFTMASKDEBUG enabled in the kernel triggered the following warning: 172.851380 ------------ Cut here...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/rdmavt: added a lock to the call to rvterrorqp to prevent a race condition. The documentation for the rvterrorqp function states that both rlock and slock need to be held when calling that function. It also includes an asserti...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fixed potential crashes during module unloading. The vmbus driver relies on the panic notifier infrastructure to perform certain operations when a panic event is detected. Since vmbus can be built as a module,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: IGMP: Fixed data races related to sysctligmpqrv. When reading sysctligmpqrv, it can be changed concurrently. Therefore, we need to add READONCE to its readers. This test can be incorporated into a helper module; such changes...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpbasemss. When reading sysctltcpbasemss, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: The refcount leak in a6xxgpuinit has been fixed. The ofparsephandle function returns a node pointer with the refcount incremented. We should use ofnodeput on this pointer when we no longer need it. The a6xxgmuinit...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: HID: elan: Fixed a potential double-free operation in elaninputconfigured. 'input' is a managed resource that is allocated using devminputallocatedevice. Therefore, there is no need to explicitly call inputfreedevice, or there wi...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: Do not dereference ops-destroy with a null pointer. The cleanup of a KVM device occurs through either of two callbacks: 1 destroy, called when the VM is being destroyed; 2 release, called when a device file descriptor is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mmc: jz4740: Apply DMA engine limits to maximum segment size Follow the approach used in other DMA-enabled MMC host drivers see host/mmci.c, and limit the maximum segment size based on the capabilities of the DMA engine. This is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Media: PCI: cx23885: Fixed error handling in cx23885initdev When the driver fails to call dmasetmask, the driver will encounter the following error: 55.853884 BUG: KASAN: Use-after-free in processremoveddriver+0x3c/0x240 55.85448...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: avoid null dereference in deinit. If venusprobe fails at pmruntimeputsync, it first calls hfiDestroy, and then hficoredeinit. Since hfiDestroy sets core-ops to NULL, hficoredeinit can no longer call the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/virtio: fixed a NULL pointer derefrence in virtiogpuconngetmodes drmcvtmode may return NULL, and we should check for this. This bug was discovered by syzkaller: FAULTINJECTION stacktrace: 168.567394 FAULTINJECTION: forcing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: A possible null-ptr-deref issue exists in cadencenanddtprobe. This issue could lead to a null-ptr-deref when using ‘res’. If platformgetresource returns NULL, moving using ‘res’ after devmioremapresource wi...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The regulator: scmi – a fix was made to the refcount leak in scmiregulatorprobe. The offindnodebyname function returns a node pointer with the refcount incremented; we should use ofnodeput on it after processing. Add the missing...

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

In the Linux kernel, the following vulnerability has been resolved: Ice: Do not use the WQMEMRECLAIM flag for the workqueue. When both ice and the irdma driver are loaded, a warning is triggered in checkFlushDependency. This occurs because the ice driver’s workqueue is allocated with the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xfrm/compat: prevented potential Spectre v1 exploits in xfrmxlate32attr int type = nlatypenla; if type XFRMAMAX return -EOPNOTSUPP; @type is then used as an array index and can be exploited as a Spectre v1 exploit. if nlalennl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvmem: core: fix cleanup after devsetname If devsetname fails, we may leak nvmem-wpgpio because the cleanup does not handle it properly. While a minimal fix would be to add the gpiodput call, we can improve the situation by...

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

In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: condresched was added to getswappages. A softlockup still occurs in getswappages under memory pressure. With 64 CPU cores, 64GB of memory, and 28 zram devices, the size of each zram device is 50MB, and they all have...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fixed a UAF Use-After-Free exception during logout when accessing the shostipaddress attribute. Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shostipaddress...

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

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow memory leak in ovsflowcmdnew Syzkaller reports a memory leak of newflow in ovsflowcmdnew as it is not freed when an allocation of a key fails. BUG: memory leak unreferenced object 0xffff888116668000 siz...