Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw: dmamux: fix OF node leak on route allocation failure Make sure that the reference to the DMA master OF node is also removed during late route allocation failures...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: The return value of f2fsrecoverfsyncdata has been fixed. With the following scripts, a panic will occur in f2fs: bash mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 /mnt/f2fs/foo f2fsio fsy...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: core: Harden s32ton to prevent conversion to 0-bit quantities Testing conducted by the syzbot fuzzer revealed that the HID core encounters a shift-out-of-bounds exception when it attempts to convert a 32-bit quantity to a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfs4setupreaddir: Insufficient locking for -dparent-d inode dereferencing. Theoretically, this could lead to an oops error due to a race condition, but I don’t believe anyone would actually exploit this vulnerability on real...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: be2net: Pass wrbparams in case of OS2BMC. The function beinsertvlaninpkt is called with the wrbparams argument being NULL at the besendpkttobmc call site. This may lead to dereferencing a NULL pointer during the processing of a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: Check actuallength before accessing the header. The driver expects to receive a struct gshostframe in gsusbreceivebulkcallback. Use structgroup to describe the header of the struct gshostfram...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scs: A wrong parameter was fixed in scsmagic. The scsmagic function requires a void variable, but a struct taskstruct is provided instead. taskscstsk represents the starting address of the task’s shadow call stack, and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Check the length of skb for an unknown CC opcode. In hcicmdCompleteevt, if the command completion event has an unknown opcode, we assume that the first byte of skb-data contains the return status. However, th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: pagepool: Fixed a use-after-free in pagepoolrecycleinring. syzbot reported a UAF Use-After-Fault in pagepoolrecycleinring: BUG: KASAN: Slab-use-after-free in lockrelease+0x151/0xa30 in kernel/locking/lockdep.c:5862. A size 8...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm: Clearing the clone request’s bio pointer when the last cloned bio is freed It has been observed that stale values of rq-bio can lead to double initialization of cloned bios in request-based device-mapper targets, resulting in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: cifs: Fixed the locking usage for tcon fields. Previously, we used cifstcpseslock to protect many objects that weren’t just server, ses, or tcon lists. Later, we introduced svrlock, seslock, and tc Lock to protect fields withi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-multipath: fixed the lockdep warning due to the partition scan operation. The test cases nvme/014, 057, and 058 occasionally fail due to the lockdep warning. As reported in the Closes tag URL, this warning indicates that ...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid updating zero-sized extents in the extent cache. As reported by syzbot: F2FS-fs loop0: updateextenttreerange: extent length is zero, type: 0, extent 0, 0, 0, age 0, 0. ------------ Cut here ------------ Kerne...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The socket is closed after it has been accepted, even when the per-IP limit is exceeded and a connection attempt fails. When the per-IP connection limit is exceeded in ksmbdkthreadfn, the code sets ret to -EAGAIN and...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fixed a memory leak in cifsconstructtcon When using a multiuser mount with domain= specified and cifscreds, cifssetcifscreds will set @ctx-domainname, so it needs to be freed before leaving cifsconstructtcon. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb/server: A possible reference count leak in smb2sesssetup has been fixed. The reference count of ksmbdsession will leak when the session requires reconnection. This issue has been fixed by adding the missing ksmbdusersessionpu...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nvme: fixed the lifetime of the admin requestqueue Namespaces can access the controller’s admin requestqueue, and stale references on the namespaces may exist after tearing down the controller. Ensure that the admin requestqueue ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: openvswitch: removed the never-working support for setting nsh fields. The validation of the setnsh... action is completely incorrect. It involves the nshkeyputfromnlattr function, which is the same function used to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fixed a crash in nfsd4readrelease When tracing is enabled, the tracenfsdreaddone trace point crashes during the pynfs read.testNoFh test...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: qmiwwan: Initialize the MAC header offset in qmimuxrxfixup Raw IP packets do not have a MAC header, resulting in skb-macheader being uninitialized. This can trigger kernel panics on ARM64 when xfrm or other subsystems...