Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: A NULL dereference occurred in meshmatcheslocal. meshmatcheslocal unconditionally dereferes ie-meshconfig to compare mesh configuration parameters. When called from meshrxcsaframe, the parsed action-frame elements...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: x86/hyperv: Fixed a NULL dereferencing in sethvtscchangecb if the Hyper-V setup fails. Checked for a valid hvvpindex array before dereferencing hvvpindex when setting Hyper-V’s TSC change callback. If Hyper-V setup fails in...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: PCI: Keystone: Fixed the if-statement expression in kspciequirk. This code accidentally used && where || was intended. This could potentially lead to a NULL derefrence error. Therefore, the if-statement expression should be...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a NULL dereference bug. The issue arises when this function is called from ntfsloadattrlist. The value of “size” is calculated as le32tocpuattr-res.datasize. On 64-bit systems, this does not cause an overflow, but...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: Added guards for HIDCLAIMEDINPUT in raw event callbacks; these guards were previously missing. In commit 2ff5baa9b527 “HID: appleir: Fix potential NULL dereference at raw event handling”, we addressed the issue where raw eve...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed NULL dereferencing and use-after-free in smctcpsynrecvsock. Syzkaller reported a panic in smctcpsynrecvsock. The smctcpsynrecvsock function is called in the TCP receive path softirq via icskafops-synrecvsock on...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: Broadcom – bcm4908enet: Updates TX statistics after actual transmission. Queuing packets does not guarantee their transmission. Updates TX statistics after the hardware confirms that it is consuming the submitted data. This...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md: Do not set mddev’s private field to NULL in raid0 with pers-free. In a normal stop process, the following sequence of operations occurs: domdstop | mdstop pers-free; mddev-private = NULL | mdfree free mddev The mdstop functio...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Allow probing without .driverdata Currently, if the .probe element is present in the phydriver structure and there is no .driverdata, a NULL pointer dereferencing occurs. By inserting NULL checks for priv-type, ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: The return error code in mdp5mixerrelease is incorrect when a deadlock is detected. There is a possibility that mdp5getglobalstate may return-EDEADLK when acquiring the modeset lock. However, currently,...

Astra Linux – Vulnerability in krb5

In kdc/kdcpreauthec.c of the Key Distribution Center KDC in MIT Kerberos 5 also known as krb5, before versions 1.18.4 and 1.19.x, and before version 1.19.2, remote attackers could exploit a vulnerability that led to a NULL pointer dereferencing and a crash of the daemon. This occurs because the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: fixed NULL dereferencing in qethclearworkingpoollist When qethsetonline calls qethclearworkingpoollist to roll back after an error exit from qethhardsetupcard, there is a risk of accessing card-qdio.inq before it has...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/rds: fixed the possible null dereference of cp The cp parameter may be null. Calling cp-cpconn would result in a null dereference. Simon Horman adds: Analysis: cp is a parameter of rdsrdmamap, and it is not reassigned. The...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttproxy: restrict to prerouting hook TPROXY is only allowed during prerouting, but nfttproxy does not check this. This fix resolves a crash null dereference that occurs when using tproxy from, for example, the output...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A flaw was discovered in the Linux kernel’s Layer 2 Tunneling Protocol L2TP. Clearing the skuserdata can result in a race condition and NULL pointer dereferencing. A local user could exploit this flaw to potentially crash the system, causing a denial of service...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: A NULL dereference in niwriteinode has been fixed. Syzbot reported a NULL dereference in niwrite inode. When creating a new inode, if the allocation fails in the miinit function called in the miformatnew function, mi-mr...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: i915/perf: Fixed NULL dereference bugs with drmdbg calls When the i915 perf interface is not available, dereferencing it will result in NULL references. Returning -ENOTSUPP is quite clear; a return value should be returned when t...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bonding: Fixed a NULL dereference of the struct bonding.rrtxcounter member. This issue occurs because if a bond is created with an initial mode != zero Round Robin, the memory required for the counter is never allocated. When...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: The return error code in mdp5piperelease occurs when a deadlock is detected. mdp5getglobalstate runs the risk of encountering an -EDEADLK error when acquiring the modeset lock. Currently, mdp5piperelease does not...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed a potential NULL dereference in nfsgetclient. None of the callers is expected to receive a NULL return value from nfsgetclient. Therefore, this code will result in an Oops error. It’s better to return an error pointer....