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

A null pointer dereference vulnerability was discovered in the function ath10kwmitlvoppullmgmttxcomplev within drivers/net/wireless/ath/ath10k/wmi-tlv.c in the Linux kernel. This issue could be exploited to cause a denial of service attack...

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: ethtool: Avoid overflowing the userspace buffer during stats queries The ethtool -S command operates through three ioctl calls: - ETHTOOLGSSETINFO for the size of the statistics data; - ETHTOOLGSTRINGS for the names of the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel before version 5.17.1, a refcount leak bug was discovered in the net/llc/afllc.c file...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check the device memory pointer before using it. Add a NULL check before accessing device memory to prevent a crash if the dev-dm allocation in mlx5initonce fails...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in the Linux kernel. The existing KVM SEV API contains a vulnerability that allows a non-root host user-level application to crash the host kernel by creating a confidential guest VM instance in an AMD CPU that supports Secure Encrypted Virtualization SEV...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: The xid leak in cifscopyfilerange has been fixed. If the file is used by swap, before returning -EOPNOTSUPP, the xid should be freed. Otherwise, the xid will be leaked...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-charger: Fixed the null check for powersupplygetbyname. In the cpcapusbdetect function, the powersupplygetbyname function may return NULL instead of an error pointer. To prevent potential null pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtkdrmcrtc: Added checks for devmkcalloc. Since devmkcalloc may return NULL, the return value needs to be checked to avoid dereferencing a NULL pointer...

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

In the Linux kernel, the following vulnerabilities have been resolved: tls: fixed the missing memory barrier in tlsinit In tlsinit, a write memory barrier is missing, and store-store reordering may cause NULL dereferencing in tlssetsockopt,getsockopt. CPU0 CPU1 ----- ----- // In tlsinit // In...

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: libceph: fixed a potential use-after-free in havemonandosdmap The wait loop in cephopensession can race with the client receiving a new monmap or osdmap shortly after the initial map is received. Both cephmonchandlemap and...

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

In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Fixed double-free on error For example, if the ataportalloc call in atahostalloc fails, we will jump to the errout label, which will call devresreleasegroup. devresreleasegroup will trigger a call to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed the smbdirectrecvio leak in the smbdnegotiate error path. During tests of another unrelated patch, I was able to trigger this error: Objects remaining on kmemcacheshutdown...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix invalid dereference of sblvbptr I encounter issues when placing an lkbsb on the stack and having the sblvbptr field point to a dangling pointer, without using DLMLKFVALBLK. This will cause a crash with the following...

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: nbd: The defer config unlock in nbdgenlconnect has been fixed. There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect: nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs...

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

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Check that the null return value of ACPIALLOCATEZEROED in acpidbdisplayobjects is valid. The issue was reported by ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4. The ACPIALLOCATEZEROED function may fail, and...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: serial: 8250bcm7271: The leak in brcmuartprobe has been fixed. Matching reports: drivers/tty/serial/8250/8250bcm7271.c:1120: brcmuartprobe warning: “‘baudmuxclk’ from clkprepareenable was not released” lines: 1032. The issue has...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tracing/eprobes: Do not allow eprobes to use $stack, or % for regs While working with event probes eprobes, I tried to see what would happen if I attempted to retrieve the instruction pointer %rip knowing that event probes do not...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check the correct bounds for stream encoder instances for DCN303 Why & How The engid for DCN303 cannot be more than 1, since we have only two instances of stream encoders. Check the correct boundary condition for...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the fbdev subsystem, within the vt8623fb function, there is a issue where the value of screensize is calculated based on user input. If an improper value is provided by the user, the value of screensize may be larger than...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: The refcount leak in offlashprobeversatile has been fixed. The function offindmatchingnodeandmatch returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer when it is no longer needed...