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 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 – 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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Eliminate the window where the window in which TLB flushes may be inadvertently skipped. TL;DR: There is a window in the MM switching code where the new CR3 is set, and the CPU should receive TLB flushes for the new MM...

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/sched: It is enforced that teql can only be used as a root qdisc. The design intent of teql is that it is only supposed to be used as a root qdisc. Therefore, we need to ensure this constraint is respected. Although not very...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fixed the bulk-buffer overflow issue. The driver uses buffers sized equal to the endpoint size, but it should not assume that the tx and rx buffers have the same size. A malicious device could cause the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A slab-out-of-bounds issue was fixed in smbstrndupfromutf16. If the -NameOffset of smb2createreq is smaller than the Buffer offset of smb2createreq, a slab-out-of-bounds read may occur from smb2open. This patch sets the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek – Fixed a refcount leak in mtkpciesubsyspowerup. The offindcompatiblenode function returns a node pointer whose refcount has been incremented. We should use ofnodeput on it after processing. Also, add the missing...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: samples/landlock: Fixed the memory leak in pathlist. Clang static analysis reports this error. sandboxer.c:134:8: Warning: Potential memory leak pointed to by ‘pathlist’. ret = 0; ^ pathlist is allocated in parsepath, but never...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: AppArmor: A memory leak has been fixed in multitransactionnew. In multitransactionnew, the variable t is not freed or passed away after a failure in the copyfromusert-data, buf, size operation. This could lead to a memory leak...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phylib: fixed potential use-after-free issues. The commit bafbdd527d56 “phylib: Added support for device reset GPIO” includes a call to phydeviceresetphydev after the putdevice call in phydetach. The comment before the putdevice...

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: 1. Regulator: Core: Protect regulatorsupplyaliaslist using regulatorlistmutex. regulatorsupplyaliaslist was accessed without any locking mechanisms in functions like regulatorsupplyalias, regulatorregistersupplyalias, and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Updated the intermediate power state for SI. Updated the current state to the boot state during dpm initialization. During subsequent initialization, setpowerstate is called to transition to the final power state...

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

In the Linux kernel, the following vulnerability has been resolved: irqchip/ti-sci: The refcount leak in tisciintrirqdomainprobe has been fixed. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: octeontx2-af: Added validation before accessing cgx and lmac. With the addition of new MAC blocks such as CN10K RPM and CN10KB RPMUSX, LMACs are noncontiguous, and CGX blocks are also noncontiguous. However, during the RVU...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmloop: The “Drain commands” step in the targetreset handler is not properly executed. The tcmlooptargetreset function violates the SCSI EH contract: it returns SUCCESS without draining any ongoing commands. The SC...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the net/sched/schcbq.c file of the Linux kernel, from version 6.1.4 onwards, cbqclassify allows attackers to cause a denial of service due to type confusion. Non-negative numbers can sometimes indicate a TCACTSHOT condition, rather than valid classification results, leading to improper...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Avoid using sksocket after free when sending messages. The sk-sksocket is not locked or referenced in the backlog thread. During the call to skbsendsock, there is a race condition involving the release of sksocket...

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: NFS: Automounted file systems should inherit the “ro”, “noexec”, “nodev”, and “sync” flags. When a file system is automatically mounted, it needs to preserve the user-set superblock mount options, such as the “ro” flag...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the calltrace warning in psphwfini. The call trace occurs when the amdgpu is removed after a mode1 reset. During a mode1 reset, from suspend to resume, there is no need to reinitialize the ta firmware buffer,...