Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Handle the return value of hdrfirstde The hdrfirstde function returns a pointer to a struct NTFSDE. This pointer may be NULL. To effectively handle the NULL error, it is important to implement an error handler. This wil...

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

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction, potentially preventing NULL pointer dereferencing...

Astra Linux – Vulnerability in binutils

There is a flaw in the bfdpefscanstartaddress function of bfd/pef.c in binutils, which could allow an attacker who can submit a crafted file to be processed by objdump to cause a NULL pointer dereference. The greatest threat of this flaw is to application availability. This flaw affects binutils...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mips: ralink: fixed a reference count leak in illaccofsetup. ofnodeputnp needs to be called when pdev == NULL...

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

In the Linux kernel, the following vulnerability has been resolved: USB: Roles – Fixed NULL pointer issue when referencing the module’s reference. In the current design, the USB role class driver will obtain a reference to the module of the usbroleswitch object after the user selects the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fixed a NULL pointer dereferencing in bonddoioctl. In bonddoioctl, the slavedev is obtained using devgetbyname. This function may return NULL if the requested interface name does not exist. However, the subsequent...

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: bareudp: A NULL pointer dereference was fixed in bareudpfillmetadatadst. The bareudpfillmetadatadst function passes bareudp-sock to udptunnel6dstlookup in the IPv6 path, without a NULL check. The socket is only created 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: Platform/x86: classmate-laptop – Added NULL pointer checks where necessary. In several places within the Classmate laptop driver, code that uses the accel object may execute before its address is stored in the driver’s data...

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

In the Linux kernel, the following vulnerability has been resolved: net: phy: Fix for accessing an empty array when the phygetinternaldelay function is called, provided that the driver calls phygetinternaldelay without defining delayvalues, and rx-internal-delay-ps or tx-internal-delay-ps is...

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: Atm: lec: fixed a null-ptr-deref in lecarpclearvccs. Syzkaller reported a null-ptr-deref in lecarpclearvccs. This issue can be easily reproduced using the Syzkaller reproducer. In the ATM LANE LAN Emulation module, the same atmvc...

Astra Linux – Vulnerability in sane-backends

A NULL pointer dereferencing in SANE backends before version 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null pointers are checked before using dc-clkmgr. WHY & HOW dc-clkmgr is already checked for null values in the same function; this indicates that it may be null. The value “dc” is passed to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: qcom: q6apm: fixed a NULL pointer dereferencing in graphcallback. When q6apmfreefragments is called, it frees rxdata.buf/txdata.buf and sets them to NULL under graph-lock. A late DSP buffer-done response can cause issues...

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 null-ptr-dereference in tracearray in kprobeeventgentestexit When testgenkprobecmd fails after kprobeeventgencmdend, it will go to delete, which will call kprobeeventdelete and release the...

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: dmaengine: atxdmac: Avoid nullprtderef in atxdmacprepdmamemset. The atxdmacmemsetcreatedesc function may return NULL, which could lead to a null pointer derefrence. For example, if the len parameter is incorrect, or if...

Astra Linux – Vulnerability in Qemu

A NULL pointer dereference flaw was discovered in the floppy disk emulator of QEMU. This issue occurs when processing read/write ioport commands, especially if the selected floppy drive is not initialized using a block device. This flaw allows a privileged guest user to crash the QEMU process on...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fixed the null-pointer dereference in pgtablecacheadd. kasprintf returns a pointer to dynamically allocated memory; this pointer may be NULL in case of failure. Ensure that the allocation was successful by checking th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A NULL pointer dereference flaw was discovered in the UNIX protocol, specifically in the file net/unix/diag.c, within unixdiaggetexact in the Linux kernel. The newly allocated skb does not have an sk, resulting in a NULL pointer. This flaw could allow a local user to crash the system or potential...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition between quota rescan and disabling quotas, which could lead to a NULL pointer derefrence. If one task attempts to start the quota rescan worker while another task attempts to disable quotas, we can e...

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: media: streamzap: fix race between device disconnection and urb callback Syzkaller has reported a general protection fault in the function irraweventstorewithfilter. This crash occurs due to a NULL pointer dereference of the...