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: irqchip/gic-v3-its: Prevent double-free on error. The error handling path in itsvpeirqdomainalloc causes a double-free when itsvpeinit fails after successfully allocating at least one interrupt. This occurs because...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mlxbfgige: Call requestirq after NAPI initialization The mlxbfgige driver encounters a NULL pointer exception in mlxbfgigeopen when kdump is enabled. The sequence to reproduce this exception is as follows: a Enable kdump. b Trigg...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: isdn: mISDN: netjet: Fixed a crash in njprobe: The ‘njsetup’ function in netjet.c might fail with -EIO. In this case, ‘card-irq’ is initialized and is greater than zero. A subsequent call to ‘njrelease’ will release the irq th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fixed the warning when removing the module When removing the module, the following warning will appear: 14.746697 removeprocentry: Removing the non-empty directory ‘irq/21’; data is being leaked at least from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Networks: Ethernet, ARC, EMAC: Quiesce interrupts before requesting the IRQ. Normal RX/TX interrupts are enabled later, in arcemacopen. Therefore, the probe should not detect any interrupt deliveries in the usual case. However, t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: Fix race bug in nvmepollirqdisable In the following scenario, pdev can be disabled between 1 and 3 by 2. This sets pdev-msixenabled = 0. Then, pciirqvector will return MSI-X IRQ15 for 1 whereas return INTx IRQcqvector...

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: comedi: aioiiro16: Fix bit shift out of bounds When checking for a supported IRQ number, the following test is used: c if 1 options1 & 0xdcfc However, it-optionsi is an unchecked int value from the user space, so the shift amount...

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: RCU: Protect - deferqsiwpending from data race On kernels built with CONFIGIRQWORK=y, when rcureadunlock is invoked within a code region where interrupts are disabled 1, it will invoke rcureadunlockspecial, which uses an irq-work...

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

In the Linux kernel, the following vulnerability has been resolved: ionic: removed WARNON to prevent paniconwarn. Unnecessary early code development checks and the WARNON have been removed. The processes related to irq allocation and deallocation have also been cleaned up. This check shouldn’t ha...

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

In the Linux kernel, the following vulnerabilities have been resolved: crypto: safexcel – Cleanup of ring IRQ workqueues on load failure A failure to load the safexcel driver results in the following warning upon boot, because the IRQ affinity has not been properly cleaned up. Ensure that we...

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: b2c2: Fix for a use-after-free caused by irqcheckwork in flexcoppciremove. The original code uses canceldelayedwork in flexcoppci Remove, which does not guarantee that the delayed irqcheckwork has fully completed if it is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rcu: Avoid stack overflow due to rcuirqenterchecktick being kprobed. Registering a kprobe for rcuirqenterchecktick can cause a kernel stack overflow, as shown below. This issue can be reproduced by enabling CONFIGNOHZFULL 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: Net: Ethernet: ti: am65-cpsw: Fix for freeing the IRQ in am65cpswnussremove Txchns. When obtaining the IRQ, we use k3udmagluetxgetirq, which returns a negative error value if there is an error. Therefore, checking if the IRQ is...

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: usb: cdc-acm: Check the control transfer buffer size before accessing it. If the first fragment is shorter than struct usbcdcnotification, we cannot calculate the expectedsize. Instead, log an error and discard the notification...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Do not free the IRQ if it was not requested. Since the msmdrmuninit function is called from the msmdrminit error path, additional care is necessary to avoid calling freeirq for the IRQ that was not requested. This issue...

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

In the Linux kernel, the following vulnerabilities have been resolved: irqchip/alpine-msi: The refcount leak in alpinemsixinitdomains has been fixed. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: fix NULL pointer dereference in iwlpcieirqrxmsixhandler rxq can only be NULL when transpcie-rxq is NULL and entry-entry is zero. In cases where entry-entry is not equal to 0, rxq will not be NULL, even if...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: Use spinlockirqsave in adjustinuseandcalccost. The adjustinuseandcalccost function uses spinlockirq, and IRQ will be enabled when unlocking. A DEADLOCK may occur if other locks are held and IRQs are disabled before...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fixed the use of “free” after memory allocation in emspcmciaaddcard. If the last channel is not available, then “dev” is freed. Fortunately, we can simply use “pdev-irq” instead. We also should check whether at leas...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Fix the invocation of flushcpuslab and freeslab in the task context. The commit 5a836bf6b09f “mm: slub: Move the invocation of flushcpuslab and freeslab out of the IRQ context” fixes this issue by moving all invocations...