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: HID: pidff: Fixed null pointer dereferencing in pidfffindfields This function triggered a null pointer dereference if it was used to search for a report that wasn’t implemented on the device. This occurred both for optional and...

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: crypto: null – Use spin locks instead of mutexes. Since the null algorithm may be freed in the softirq context through afalg, using spin locks instead of mutexes is necessary to protect the default null algorithm...

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: Wifi: mac80211: Purge vif txq in ieee80211dostop After ieee80211dostop, the packets from vif’s txq could still be processed. Indeed, another concurrent call to scheduleandwaketxq from vif could cause those packets to be dequeued...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ata: patapxa: Fixed a potential NULL pointer dereferencing in pxaataprobe. devmioremap returns NULL upon error. Currently, pxaataprobe does not check for this case, which could lead to a NULL pointer dereferencing. Add a NULL che...

Astra Linux – Vulnerability in dcmtk

A NULL pointer dereference in the component /libsrc/dcrleccd.cc of DCMTK v3.6.9+ DEV allows attackers to cause a Denial of Service DoS attack through a crafted DICOM file...

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: soc: samsung: exynos-chipid: A NULL pointer check was added in exynoschipidprobe. socdevattr-revision can be NULL; therefore, a pointer check was added to prevent potential NULL pointer dereferencing. This is similar to the fix 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: net: Fixed null-ptr-deref in socklockinitclassandname and rmmod. When I ran the reproduction steps and waited for a few seconds, I observed two LOCKDEP warnings: a warning immediately followed by a null-ptr-deref. 1 Reproduction...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: backend: make sure to NULL terminate the stack buffer Make sure to NULL terminate the buffer in iiobackend DebugfsWriteReg before passing it to sscanf. It is a stack variable, so we should not assume that it will be...

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: ASoC: imx-card: Added a NULL check in imxcardprobe The devmkasprintf function returns NULL when memory allocation fails. Currently, imxcardprobe does not check for this case, which results in a NULL pointer being dereferenced. A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mt76: mt7921 – Fixed kernel panic due to null pointer dereference Fixed a kernel panic caused by a null pointer dereference in the mt792xrxgetwcid function. The issue arises because the deflink structure is not properly...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: ti: am65-cpsw: Fixed the NAPI registration sequence. Registering interrupts for TX or RX DMA channels before registering their respective NAPI callbacks can lead to a NULL pointer dereferencing. This issue occurs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: npcm8xx: Added a NULL check in npcm8xxgpiofw. Calls to devmkasprintf may return null pointers in case of failure. However, the return values were not checked in npcm8xxgpiofw. Therefore, a NULL check should be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fpga: fixed the potential null pointer dereferencing in fpgamgrtestimgloadsgt The fpgamgrtestimgloadsgt function allocates memory for sgt using kunitkzalloc. However, it does not check whether the allocation fails. It then...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: serial: jsm: fixed a NPE during jsmuartportinit No device was set that could cause serialbasectrladd to crash. BUG: Kernel NULL pointer dereferencing, address: 0000000000000050 Oops: 0000 1 PREEMPT SMP NOPTI CPU: 16 UID: 0 PID...

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: 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 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7915: Fixed nullptrderef in mt7915mmiowedinit The devmioremap function returns NULL upon error. Currently, mt7915mmiowedinit does not check for this case, resulting in a NULL pointer dereference. Fixed the issue by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Fixed NULL pointer dereferencing when nosmp is used When nosmp is used in the command line, other CPUs are not brought up, leaving their cpcdescptr NULL. CPU0’s iteration via foreachpossiblecpu dereferences these NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: idpf: The issue of null-ptr-deref in idpffeaturescheck has been fixed. idpffeaturescheck is used to validate the TX packet. The length of the skb header is compared with the value supported by the hardware, which is received from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: schhtb: made htbdeactivate idempotent. Alan reported a NULL pointer dereference in htbnextrbnode after we made htbqlennotify idempotent. It turns out that in the following case, some regressions were introduced: htbdequeuetree...