Astra Linux - Vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: enable basic endpoint checking pegasusprobe fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbrcvbulkpipedev, 1 for RX data - usbsndbulkpipedev, 2 for TX data -...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mctp: route: hold key-lock in mctpflowprepareoutput The mctpflowprepareoutput function checks key-dev and may call mctpdevsetkey. However, it does not hold key-lock during this process. Both mctpdevsetkey and mctpdevreleasekey...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘hwmon: ibmpex fix use-after-free in high/low store’” This change is reflected in commit 6946c726c3f4c36f0f049e6f97e88c510b15f65d. Jean Delvare points out that the patch does not completely fix the reported problem...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: spi: imx: fix use-after-free on unbind The SPI subsystem frees the controller and any subsystem allocated driver data as part of deregistration unless the allocation is device managed. Take another reference before deregistering...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check the device memory pointer before using it. Add a NULL check before accessing device memory to prevent a crash if the dev-dm allocation in mlx5initonce fails...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prpcreatetaggedframe The prpfillrct function can fail. In that case, it frees the skb and returns NULL. On the successful path, however, it returns the original skb. Therefore, fixing the bug is...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: make calctarget set t-paused, not just clear it Currently, calctarget clears t-paused if the request should no longer be paused; however, it never sets t-paused despite being able to determine when the request should be...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: gue: Fixed skb memory leak when inner IP protocol is 0. SyZBot reported a skb memory leak scenario involving inner protocol value of 0. The repro generated a GUE packet with its inner protocol set to 0. gueudprecv returns...

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

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pmruntimeresumeandget to prevent refcnt leak In arizonaclk32kenable, we should use pmruntimeresumeandget. pmruntimegetsync will increase the refcnt even when it returns an error...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/vmalloc: fixed vmalloc, which may return null if called with GFPNOFAIL. The commit a421ef303008 "mm: allow !GFPKERNEL allocations for kvmalloc" includes support for GFPNOFAIL, but it creates a conflict with the commit...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use the pmd-root from the last transaction when commit fails. Recently, we discovered a problem with a softlockup in the dm thin pool’s btree lookup code due to corrupted metadata. Kernel panic – not syncing: Softlockup:...

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

In the Linux kernel, the following vulnerabilities have been resolved: tee, amdtee: fixed the use-after-free vulnerability in amdteeclosesession. There is a potential race condition in amdteeclosesession that may cause a use-after-free in amdteeopenSession. For example, if a session has a referen...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Correct check for empty list Since the commit a3c53be55c95 “net: dsa: mv88e6xxx: Support multiple MDIO busses“”, the function mv88e6xxxdefaultmdiobus has checked that the return value of listfirstentry is...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Disable auto-enable of exclusive INTx IRQ Currently, for devices requiring masking at the irqchip for INTx—i.e., devices lacking DisINTx support—the IRQ is enabled via requestirq and subsequently disabled as needed to...

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

In the Linux kernel, the following vulnerabilities have been resolved: net/ipv6: avoided a possible Use After Free UAF in ip6routempathnotify syzbot discovered another use-after-free in ip6routempath Notify. 1 The commit f7225172f25a “net/ipv6: prevent use after free in ip6routempath Notify” fail...

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

The brcm80211 component in the Linux kernel, from version 6.5.10 onwards, has a use-after-free issue in the code for disconnecting devices via hotplug i.e., removing the USB connection. For attackers who have physical access and local privileges, “this could be exploited in a real-world scenario....

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: core: The unnecessary framesz check in bpfxdpadjusttail has been removed. Syzkaller reported the following issue: ======================================= “Too big” – xdp-framesz = 131072 WARNING: CPU: 0, PID: 5020, at...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: octeontx2-af: Added validation before accessing cgx and lmac. With the addition of new MAC blocks such as CN10K RPM and CN10KB RPMUSX, LMACs are noncontiguous, and CGX blocks are also noncontiguous. However, during the RVU...

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: hfs: fixed the KMSAN uninit-value issue in hfsfindsetzerobits The syzbot reported an issue in hfsfindsetzerobits: ===================================================== BUG: KMSAN: uninit-value in hfsfindsetzerobits+0x74d/0xb60...

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: netsched: schsfq: rejecting invalid perturb periods. Gerrard Tai reported that the perturbperiod of SFQ does not have a range check yet, and this could be exploited to trigger a race condition, which has been fixed in a separa...