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

In the Linux kernel, the following vulnerabilities have been resolved: udplite: Fixed a NULL pointer dereference in skmemraiseallocated. syzbot reported a NULL pointer dereference in skgetrmem0 while using IPPROTOUDPLITE 0x88: 14:25:52 executing program 1: r0 = socket$inet60xa, 0x80002, 0x88 We...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: Fixed a double-free in ‘hcidiscoveryfilterclear’. The function ‘hcidiscoveryfilterclear’ frees the ‘uuids’ array and then sets it to NULL. There is a small chance that the following races will occur:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscmi: Fixed a double-free in the SMC transport cleanup process. When the generic SCMI code destroys a channel, it calls the chanfree callback function, which is defined by each transport. Since multiple protocols may...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a race condition that occurred due to concurrent opens during the rename2 operation. In addition to sending the rename request to the server, the rename process also involves closing any deferred closes, waitin...

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: llc: Do not use skbget before devqueuexmit. The syzbot exploit can cause hosts to crash, especially when using llc and devices that do not support IFFTXSKBSHARING. In this case, the e1000 driver calls ethskbpad, where the skb is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: Check actuallength before accessing the header. The driver expects to receive a struct gshostframe in gsusbreceivebulkcallback. Use structgroup to describe the header of the struct gshostfram...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: cx23885: Add the missing unmap in sndcx23885hwparams In the error path, add cx23885alsadmaunmap to release the resource acquired by cx23885alsa DMAmap...

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

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Ensure visibility when inserting an element into tracingmap. Running the following two commands in parallel on a multi-processor AArch64 machine may occasionally generate an unexpected warning regarding duplicate...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a potential deadlock in miread. A mutex lock was used in nilockdir, along with another subclass of mutex...

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

In the Linux kernel, the following vulnerability has been resolved: IB/core: A limit has been implemented on the size of the UMAD receive list. The current behavior of ibumad—which maintains received MAD packets in an unbounded list—poses a risk of uncontrolled growth. As user-space applications...

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: phy: tegra: xusb: Fixed unbalanced regulator disabling in UTMI PHY mode When transitioning from USBROLEDEVICE to USBROLENONE, the code assumed that the regulator should be disabled. However, if the regulator is marked as always-o...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fixed a UAF Use-after-Free in LED devices during unbinding. LED devices created by HD-audio codec drivers are registered using devmledclassdevregister, and they are associated with the HD-audio codec device...

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

In the Linux kernel, the following vulnerabilities have been resolved: cassini: Fixed a memory leak in the error handling path of casinitone. cassaturnfirmwareinit allocates some memory using vmalloc. This memory is freed in the .remove function, but not in the error handling path of the probe...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables – Failure to set the dormant flag on the hook register We need to set the dormant flag again if we fail to register the hooks. During memory pressure, hook registration may fail, resulting in a table being...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed an issue where asyncfreespace accounting for empty parcels was incorrect. In version 4.13, commit 74310e06be4d “android:binder: Move buffer out of area shared with user space” fixed a issue related to the visibility...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix a kernel panic when sending untagged traffic via a VxLAN device. This issue occurs during the check for fragmentation in brnfdevqueuexmit. It depends on the following conditions: 1 The brnetfilter modu...

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

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Synchronize devfreqmonitorstart/stop There is a risk that frequent changes to the governor, performed in a loop, may lead to corruption of the timer list. Specifically, the timer cancellation process, which occurs...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Fixed a null pointer dereferencing after failing to issue FLOGI and PLOGI commands. If lpfcissueelsflogi fails and returns a non-zero status, the node’s reference count is decremented to trigger the release of the...

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

In the Linux kernel, the following vulnerability has been resolved: Soundwire: Cadence – fix invalid PDI offset For some reason, we added an offset to the PDI; presumably to skip PDI0 and PDI1, which are reserved for BPT. However, this code is completely incorrect and leads to out-of-bounds acces...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fixed a null pointer reference in archpreparekprobe I found a null pointer reference in archpreparekprobe: echo 'p cmdlineprocshow' kprobeevents echo 'p cmdlineprocshow+16' kprobeevents The kernel attempted to re...