Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

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 in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: skbuff: fixed the coalescing behavior for pagepool fragment recycling. Fixed a use-after-free issue when using pagepool with page fragments. We encountered this problem during normal RX processing in the hns3 driver: 1 Initially,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ixgbe: fixed the refcount leak for PCI devices As stated in the comment for pcigetdomainbusandslot, it returns a PCI device with the reference count incremented. When using this device, the caller must decrement the reference...

Astra Linux – Vulnerability in Linux 5.15, Linux

A flaw in memory leak prevention in the Linux kernel’s cpuentryarea mechanism for mapping X86 CPU data to memory was discovered. This flaw allows a local user to guess the locations of exception stacks or other important data. By exploiting this flaw, a local user can gain access to certain...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tick/nohz: unexport init-annotated ticknohzfullsetup EXPORTSYMBOL and init are a bad combination because the .init.text section is freed after initialization. As a result, modules cannot use symbols annotated with init. Accessing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A use-after-free issue was discovered in the driver/firewire component, specifically in the outbound PhyPacketCallback function within the Linux kernel. In this flaw, a local attacker with special privileges could cause a use-after-free error when queueevent fails...

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

A use-after-free vulnerability in the Linux Kernel traffic control index filter tcindex can be exploited to achieve local privilege escalation. The tcindexdelete function does not properly deactivate filters in the case of a perfect hash; moreover, it deletes the underlying structure without...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the MCTP protocol within the Linux kernel. The function mctpunregister reclaims the device’s related resources when a netcard is detached. However, a running program may be unaware of this flaw, leading to a use-after-free of the mdev-addrs object, which could potentially...

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

A denial-of-service vulnerability due to a deadlock was discovered in sctpautoasconfinit in the net/sctp/socket.c file within the SCTP subsystem of the Linux kernel. This flaw allows users with local user privileges to trigger a deadlock and potentially cause the system to crash...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue, and the return value is not checked. This may result in a NULL return value. A null-ptr-deref could occur as a result: starttask...

Astra Linux – Vulnerability in Linux 5.15

A vulnerability has been identified in the Linux kernel and is classified as problematic. This vulnerability affects the function l2caprecvacldata in the file net/bluetooth/l2capcore.c of the Bluetooth component. The vulnerability causes a memory leak. It is recommended that a patch be applied to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: The cleanup of neighbor information has been moved to the profile cleanuptx callback. For IP tunnel encapsulation in ECMP Equal-Cost Multipath mode, since the flow is duplicated to the peer eswitch, the related neighbo...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: gpio: mvebu: fixed the irq domain leak. Uwe Kleine-König pointed out that we still have one resource leak in the mvebu driver, which is triggered when the driver is detached. We will address this issue by implementing a custom...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: mpt3sas: Fixed a memory leak Added a forgotten kfree function...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed page reclamation for dead peer hairpin When adding a hairpin flow, a send queue is created on the peer net device’s side, which claims some host memory pages for its internal ring buffer. If the peer net devic...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gfs2: The use-of-free variable issue in gfs2glockshrinkscan has been fixed. The GLFLRU flag is checked under lrulock in gfs2glockremovefromlru, to remove a glock from the lru list in gfs2glockput. During the shrink scan process,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: ep0: fix NULL pointer exception There is no validation of the index from dwc3wIndextodep and we might be referring a non-existing ep and trigger a NULL pointer exception. In certain configurations we might use fewer ep...

Astra Linux – Vulnerability in Linux

A memory-bound write flaw 1 or 2 bytes of memory was identified in the Linux kernel’s NFS subsystem, related to the way users use mirroring replication of files via NFS. A user with access to the NFS mount could potentially exploit this flaw to crash the system or escalate privileges on the syste...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: HID: usbhid: fixed an info leak in hidsubmitctrl. In hidsubmitctrl, the way of calculating the report length does not take into account that report-size can be zero. When running the syzkaller reproducer, a report of size 0 cause...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: hso: Fix null-ptr-deref during tty device unregistration Multiple tty devices attempt to claim the same minor number, resulting in a double unregistration of the same device. The first unregistration succeeds, but the next...