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: drm/i915/gt: Fixed an issue where the timeline was held on the VMA allocation error. The following errors have been sporadically reported by CI when a test unbinds the i915 driver on a ring submission platform: 239.330153...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of information leakage in f2fsmoveInlinedirents has been fixed. When converting an inline directory to a regular one, f2fs leaks uninitialized memory to the disk because it does not initialize the entire directory...

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

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed the race condition between mmput and doexit. Task A calls binderupdatepagerange to allocate and insert pages in a remote address space from Task B. To do this, Task A first pinches the remote memory region using...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: kexec: deriving the entry from the purgatory symbol The kexecloadpurgatory function derives image-start by locating eentry within an SHFEXECINSTR section. If the purgatory object contains multiple executable sections with...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Added architecture-specific hugepteclear function. When executing mm selftests and running vmtest.sh, the following error occurs: BUG: Incorrect page state in process uffd-unit-tests. Pfn: 00000; Page: refcount:0;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential nullptrdereference issue in traceeventfile in kprobeeventgentestexit. When tracegeteventfile fails, genkretprobetest will be assigned as the error code. If the kprobeeventgentest module is remov...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

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: can: j1939: j1939sessionnew: fix skb reference counting Since j1939sessionskbqueue performs an additional skbget operation for each new skb, doing the same operation for the initial skb in j1939sessionnew will prevent refcount...

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

In the Linux kernel, the following vulnerabilities have been resolved: wifi: mwifiex: Do not return unused priv pointers in mwifiexgetprivbyid. mwifiexgetprivbyid returns the priv pointer corresponding to bssnum and bsstype, but without checking whether the priv is actually in use. Unused priv...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Add acpiputtable to prevent a memory leak. When the radeon driver reads BIOS information from the ACPI table in radeonacpivfctbios, it fails to call acpiputtable to release the ACPI memory after initialization...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: xilinx – call finalize with bh disabled When calling cryptofinalizerequest, the error code BH should be disabled to avoid triggering the following calltrace: ------------- Cut here -------------- WARNING: CPU: 2 PID: 74 a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xen/privcmd: fixed the error exit of privcmdioctldmop The error exit of privcmdioctldmop calls unlockpages, potentially with pages being NULL, leading to a NULL dereference. Additionally, lockpages does not check whether...

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

In the Linux kernel, the following vulnerability has been resolved: Bonding: Stop the device in bondsetupbyslave The commit 9eed321cde22 “net: lapbether: only support Ethernet devices” was able to keep syzbot away from net/lapb, until today. In the following issue 1, a lapbether device was create...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: fallback earlier on simult connection Syzkaller reports a simult-connect race leading to inconsistent fallback status: WARNING: CPU: 3 PID: 33 at net/mptcp/subflow.c:1515 subflowdataready+0x40b/0x7c0 net/mptcp/subflow.c:15...

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

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fixed an old BUGON in the control parser. Fixed a BUGON from 2009. Even if it seems “unreachable” I haven’t actually checked, let’s ensure it by removing it and instead using prerr and returning -EINVAL...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Increase scanieslen for S1G. Currently, the S1G capability element is not taken into consideration when calculating scanieslen, which leads to a buffer length validation failure in the ieee80211prephwscan functio...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv4, ipv6: Fixed the handling of transhdrlen in ip,6appenddata. Including transhdrlen in the packet length is a problem when the packet is partially filled e.g., a sendMSGMORE operation occurred previously when appending to a...

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

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fixed potential corruption of the workqueue. In some cases, when running with the test-wwmutex code, I observed unusual behaviors where, sometimes, flushworkqueue seemed to return before all work threads had...

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: HID: core: Do not bypass hidhwrawrequest The hidhwrawrequest function is actually useful for ensuring that the provided buffer and length are valid. Directly calling this function in the low-level transport driver bypassed those...

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

In the Linux kernel, the following vulnerability has been resolved: liquidio: The handling of NULL pointers in liovfrepcopypacket was adjusted. In liovfrepcopypacket, pginfo-page is compared to a NULL value, but it is then unconditionally passed to skbaddrxfrag, which seems strange and could lead...