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

In the Linux kernel, the following vulnerability has been resolved: fs/9p: Only the RWX permissions are translated for the plain 9P2000. Garbage data is allowed to pass through the perm bits of the plain 9P2000, allowing it to set, among other things, the suid bit. This probably wasn’t the intend...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed NULL pointer dereferencing in svmmigratetoram ./drivers/gpu/drm/amd/amdkfd/kfdmigrate.c:985:58-62: Error: p is NULL, but it was dereferenced...

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: tipc: Fixed a use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantling. 0 tipctopsrvstop iterates through tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: media: staging/intel-ipu3: A memory leak has been fixed in imufmt. We are no longer losing a reference to an allocated memory when trying to use it. We’ve changed the order of the checks to avoid that issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: Defer the garbage collection of registered files to iouring’s responsibility. Instead of having unixgc handle the registered files of iouring, we want iouring to handle them itself. The key here is to consider the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-axi-dmac: ignore interrupt if no descriptor If the channel has no descriptor and the interrupt is raised, the kernel will make a mistake. Check the result of vchannextdesc in the handler axichanblockxfercomplete to...

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: net/ipv6: release expired exception dst cached in socket The Dst objects are leaked in ip6negativeadvice, when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that...

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

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix use after free on context disconnection Upon module loading, a kthread is created that targets the pvr2contextthreadfunc function. This function may call pvr2contextdestroy, thereby calling kfree on the contex...

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: media: uvcvideo: Skipping the parsing of frames of type UVCVSUNDEFINED in uvcparseformat. This issue can lead to out-of-bounds write attacks, as frames of this type were not taken into consideration when calculating the size of t...

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: serial: Fixed a potential nullptrderef in mlbusioprobe The devmioremap function can return NULL in case of an error. Currently, mlbusioprobe does not check for this situation, which could lead to a NULL pointer dereference. A NUL...

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: core: Fixed a duplicate endpoint issue by clearing the reserved bits in the descriptor. Syzbot has identified a bug in usbcore see the “Closes” section below. The bug is caused by our assumption that the reserved bits in the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: usb: asixdevices: add phymask for ax88772 mdio bus Without setting the phymask for the ax88772 mdio bus, the current driver may create at most 32 mdio PHY devices with PHY addresses ranging from 0x00 to 0x1f. The DLink...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables – Failure to set the dormant flag on the hook register We need to set the dormant flag again if we fail to register the hooks. During memory pressure, hook registration may fail, resulting in a table being...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: In the “send” operation, there is a issue with handling path ref underflow during the header iterate inoderef function. Change BUGON to proper error handling if building the path buffer fails. The pointers are not...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fixed a UAF Use-after-Free in LED devices during unbinding. LED devices created by HD-audio codec drivers are registered using devmledclassdevregister, and they are associated with the HD-audio codec device...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed an issue where asyncfreespace accounting for empty parcels was incorrect. In version 4.13, commit 74310e06be4d “android:binder: Move buffer out of area shared with user space” fixed a issue related to the visibility...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix a kernel panic when sending untagged traffic via a VxLAN device. This issue occurs during the check for fragmentation in brnfdevqueuexmit. It depends on the following conditions: 1 The brnetfilter modu...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: cx23885: Add the missing unmap in sndcx23885hwparams In the error path, add cx23885alsadmaunmap to release the resource acquired by cx23885alsa DMAmap...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a race condition that occurred due to concurrent opens during the rename2 operation. In addition to sending the rename request to the server, the rename process also involves closing any deferred closes, waitin...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/gma500: Fixed a bug where a sleeping function called from an invalid context caused errors. The function gmacrtcpageflip held the eventlock spinlock while calling crtcfuncs-modesetbase, which requires the wwmutex. The only...