Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Avoid leaving a dangling sk pointer in rfcommsockalloc The btsockalloc function attaches the allocated sk object to the provided sock object. If rfcommdlcalloc fails, we release the sk object, but leave 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: Wifi: cfg80211: handling of 2x996 RU allocation in cfg80211calculatebitratehe Currently, NL80211RATEINFOHERUALLOC2x996 is not being handled in cfg80211calculatebitratehe, resulting in the following warning: kernel: Invalid HE MCS...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A fix was made to prevent division by zero in the setupdscconfig function. When sliceheight is 0, dividing by sliceheight in the calculation of the number of slices can lead to a division by zero, causing 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: vmci: Speculation leaks were prevented by sanitizing the event in eventdeliver. Coverity identified that eventmsg is controlled by user-space. eventmsg-eventdata.event is passed to eventdeliver and used as an index without proper...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fixed the issue with rcudereferenceprotected. When destroying all sets, we are either in the pernetexit phase or executing a “destroy all sets” command from user space. The latter was taken into account in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvmet: The cqe.result field must always be initialized. The specification does not require that the first two double-word values i.e., the “results” for a command queue entry need to be set to 0 when they are not used this is not...

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

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dispnv04: fixed a null pointer dereferencing in nv17tvgethdmodes. In nv17tvgethdmodes, the return value of drmmodeduplicate is assigned to mode. This may lead to a null pointer dereferencing if drmmodeduplicate fails...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: MST: Fixed vlan use-after-free The syzbot reported a suspicious RCU usage1 in the MST code of the bridge. While fixing this issue, I noticed that nothing prevents vlan data from being freed while walking the list fro...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: A NULL pointer dereference issue was fixed in hnsrocemapmrsg. The function ibmapmrsg allows ULPs to specify NULL as the sgoffset argument. The driver needs to check whether the argument is a NULL pointer before...

Astra Linux – Vulnerability in Linux

A issue was discovered in the kernel of NetBSD 7.1. An Access Point AP forwards EAPOL frames to other clients even though the sender has not yet successfully authenticated with the AP. This could be exploited in Wi-Fi networks to launch denial-of-service attacks against connected clients, and it...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel. In the function printerioctl, there is an attempt to access a printerdev instance that has been deallocated. However, a use-after-free issue arises because the memory was previously freed by the gprinterfree function...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before version 5.8.10. The file virt/kvm/kvmmain.c contains a memory leak in kvmiobusunregisterdev due to a kmalloc failure, identified as CID-f65886606c2d...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: i2c: img-scb – fixed a reference leak when pmruntimegetsync fails. The PM reference count is not expected to be incremented upon a return from the functions imgi2cxfer and imgi2cinit. However, pmruntimegetsync will still incremen...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: i2c: imx-lpi2c: fixed a reference leak when pmruntimegetsync fails. The PM reference count is not expected to be incremented upon a return in lpi2cimxmasterenable. However, pmruntimegetsync will still increment the PM reference...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: dev: cangetechoskb: prevents calling kfreeskb in a hard IRQ context. If a driver calls cangetechoskb during a hardware IRQ which is often, but not always the case, the WARNONinirq in net/core/skbuff.cskbreleaseheadstate migh...

Astra Linux – Vulnerability in Linux

In the drivers/target/targetcorexcopy.c file within the Linux kernel, prior to version 5.10.7, insufficient identifier checking in the LIO SCSI target code could be exploited by remote attackers to read or write files through directory traversal in an XCOPY request, known as CID-2896c93811e3. For...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: dell-smbios-wmi: Fixed an oop in rmmod dellsmbios. The initdellsmbioswmi function only registers the dellsmbioswmidriver on systems where the Dell WMI interface is supported. While the exitdellsmbioswmi function...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed data corruption caused by fallocate. When fallocate creates holes in the inode size, if the original size is located in the middle of the last cluster, then the portion of the block from the original size to the end ...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: PID: Taking a reference when initializing cadpid During boot, kernelinitfreeable initializes cadpid to the struct pid of the init task. Later, we may change cadpid via sysctl. When this happens, procdocadpid will increment the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: caif: fixed a memory leak in caifdevicenotify In the event of a failure in caifenrolldev, the allocated linksupport will not be assigned to the corresponding structure. Therefore, simply free the allocated pointer in case of...