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: x86/MCE/AMD: Fixed a memory leak when thresholdcreatebank fails. In mcethresholdcreatedevice, if thresholdcreatebank fails, the previously allocated thresholdbanks array @bp will be leaked, because the call to...

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

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fixed legacy IPOoIB issues due to an incorrect number of queues. The referenced commit creates child PKEY interfaces through netlink, which involve multiple tx and rx queues. However, some devices do not support more th...

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...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: ucsi: Fixed a NULL pointer dereferencing in ucsiconnectorchange. When ucsiinit fails, ucsi-connector is NULL. However, in the case of ucsiacpi, we may still receive events that cause the ucsacpi code to call...

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

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: do not allow userspace to block driver unbind In the unbind callback for fuac1 and fuac2, a call to sndcardfree via gaudiocleanup will disconnect the card and then wait for all resources to be released, which...

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

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fixed invalid address access in lookuprec when the index is 0. KASAN reported the following issue: BUG: KASAN: use-after-free in lookuprec A read of size 8 at the address ffff000199270ff0 was performed by the task modprob...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: For the hda codecs, do not unset the preset when cleaning up the codec. Several functions involved in the initialization and removal of codecs are reused by ASoC codec driver implementations. These drivers mimic the behavio...

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

In the Linux kernel, the following vulnerabilities have been resolved: IB/hfi1: Restore allocated resources in case of failed copyout operations. Correct a resource leak that occurred due to errors...

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

In the Linux kernel, the following vulnerability has been resolved: vcscreen: The load of the struct vcdata pointer in vcsread was moved to avoid a Use-After-Free UAF condition. After a call to consoleunlock in vcsread, the struct vcdata structure can be freed using vcdeallocate. Therefore, the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability, classified as problematic, has been identified in the Linux kernel. This issue affects the function nilfsattachlogwriter in the file fs/nilfs2/segment.c of the BPF component. The manipulation leading to this issue results in a memory leak. The attack can be initiated remotely. It...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel through version 5.19.8. In the file drivers/firmware/efi/capsule-loader.c, there is a race condition that leads to a use-after-free situation...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: enetc: Deny offloading of tc-based TSN features on VF interfaces TSN features on the ENETC taprio, cbs, gate, police are configured through a combination of command BD ring messages and port registers: enetcportrd,...