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...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: sxgbe: fixed the potential NULL dereference in sxgberx. Currently, when skb is null, the driver prints an error and then dereferences skb on the next line. To fix this, we need to add a ‘break’ after the error message, so th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fixed out-of-band OOB access during the parseadvmonitorpattern function execution. In the parseadvmonitorpattern function, the value of the length variable is currently limited to HCIMAXEXTADLENGTH251. The size o...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Fixed a potential underflow in virtiotransportgetcredit. The credit calculation in virtiotransportgetcredit uses unsigned arithmetic: c ret = vvs-peerbufalloc - vvs-txcnt - vvs-peerfwdcnt; If the peer reduces its...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexec: Enable SMT before waking offline CPUs. If SMT is disabled or a partial SMT state is enabled, when a new kernel image is loaded for kexec, the following warning is observed upon reboot: kexec: Waking offline CPU 228...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netrom: The double-free issue in nrrouteframe has been fixed. In nrrouteframe, the oldskb is freed immediately, without checking whether nrneigh-ax25 is NULL. As a result, if nrneigh-ax25 is NULL, the calling function will free...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: Check the event before enabling it to avoid a General Protection Fault GPF. On AMD machines, cpuc-eventsidx can become NULL due to a subtle race condition with NMI-throttle-x86pmustop. Check if the event is NULL in...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fsnotify: Do not generate ACCESS/MODIFY events for special files in child processes. inotify/fanotify: Do not allow users who have no read access to a file to subscribe to events like INACCESS/INMODIFY. However, users can stil...