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: Bluetooth: Fixed null-ptr-deref in l2capsockresumecb. syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar issue that was fixed in commit 1bff51ea59a9 “Bluetooth: fixed use-after-free errors i...

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/mlx5: Initialize objevent-objsublist before xainsert. The objevent may be loaded immediately after being inserted. If the listhead is not initialized, we may obtain a malicious pointer. This fix resolves the crash that...

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: drm/tegra: Fixed a possible null pointer derefrence issue. In tegracrtcreset, new memory is allocated using kzalloc, but no checks are performed. Before calling drmatomichelpercrtcreset, the state of the memory allocation should ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fixed doregisterframebuffer to prevent null-ptr-dereference in fbvideomodetovar. If fbaddvideomode in doregisterframebuffer fails to allocate memory for fbvideomode, it will later lead to a null-ptr dereference in...

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: serial: Fixed a potential nullptrderef in mlbusioprobe The devmioremap function can return NULL in case of an error. Currently, mlbusioprobe does not check for this situation, which could lead to a NULL pointer dereference. A NUL...

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 – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: Signal: Allocate SSVE storage when restoring ZA The code used to restore a ZA context does not attempt to allocate the task’s svestate before setting TIFSME. As a result, restoring a ZA context may place the task in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cifs: A NULL pointer dereference issue occurs during UTF16 conversion. There may be a bug where a NULL pointer is passed to cifssfumakenode without any checks. This NULL value is then passed unchecked to cifsstrnduptoutf16, which...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: anx7625: Fixed NULL pointer dereferencing due to early interrupt requests. If an interrupt occurs before resource initialization is complete, the interrupt handler/worker may access uninitialized data, such as the I2...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Avoid dereferencing the fcport pointer. Klocwork reported a warning that a NULL pointer might be dereferenced. The routine exits when saCTL is NULL and fcport is allocated after the exit call. This causes the NULL...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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: starttask...

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: jffs2: Check the result of jffs2preallocrawnoderefs in a few other locations. Fuzzing revealed another invalid pointer dereferencing due to the lack of checking whether jffs2preallocrawnoderefs completed successfully. Subseque...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: phy: qcom-qmp-usb: Fix an NULL vs ISERR bug The qmpusbiomap helper function currently returns the raw result of devmioremap for non-exclusive mappings. Since devmioremap may return a NULL pointer, and the caller only checks error...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed NULL pointer dereferencing in eirgetservicedata. The len parameter is considered optional; therefore, it can be NULL. This prevents it from being used to skip to the next entry in EIRSERVICEDATA...

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: soc: aspeed: lpc-snoop: Do not disable channels that are not enabled. The following issues have been mitigated: echo 1e789080.lpc-snoop /sys/bus/platform/drivers/aspeed-lpc-snoop/unbind ... 120.363594 Unable to handle a NULL...

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: atm: clip: Fixed NULL pointer dereferencing in vccsendmsg atmarpddevops does not implement the send method, which may cause crashes as described below. BUG: NULL pointer dereferencing in the kernel, address: 0000000000000000 P...

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

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed a null pointer dereference in the tracingerrlogopen function. This issue occurs when the function does not call seqopen if the file is opened only with write permissions. As a result, file-privatedata remains...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: power: supply: fixed null pointer dereferencing in powersupplygetbatteryinfo. When kmalloc fails to allocate memory in kasprintf, propname will be NULL. The strcmp function called by ofgetproperty will cause a null pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: sched: sfb: Fixed an issue where a null pointer access occurred when sfbinit failed. When the default qdisc is sfb, if the qdisc of devqueue fails to be initialized during mqprioinit, sfbreset is invoked to clear resource...

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

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fixed the null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP, and it will be forwarded to an external IP in t...