Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: microchip: sparx5: Fixed a potential null-ptr-deref in sparxstatsinit and sparx5start. sparxstatsinit calls createsinglethreadworkqueue, without checking the return value; this may result in NULL being returned. A...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix slab out-of-bounds access in mtreportfixup A malicious HID device can trigger a slab out-of-bounds during mtreportfixup by passing in a report descriptor that is smaller than 607 bytes. mtreportfixup attempts...

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 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed the shift-out-of-bounds issue 567.613292 The shift exponent 255 is too large for the 64-bit type ‘long unsigned int’ 567.614498 CPU: 5 PID: 238 Comm: kworker/5:1 Tainted: G OE 6.2.0-34-generic 3422.04.1-Ubunt...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: fixed the issue of struct pid leaks in OOB support. The issue arises from queueoob calling maybeaddcreds, which potentially holds a reference to a pid. However, the destructor of skb is not set either directly or by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Block: Fixed page ref counts for unaligned buffers in bioreleasepages. Fixed the issue where an incorrect number of pages were released for buffers that do not start at the beginning of a page...

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

The qfqchangeclass function in net/sched/schqfq.c in the Linux kernel before version 6.2.13 allows a out-of-bounds write vulnerability, as lmax can exceed QFQMINLMAX...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211: Only QoS data frames are tracked for admission control. For admission control, it clearly only applies to QoS data frames. Otherwise, we wouldn’t even be able to access the QoS field in the header. Syzbot reported an...

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

In the Linux kernel, the following vulnerability has been resolved: kcm: Fixed a memory leak in the error path of kcmsendmsg. The syzbot reported a memory leak as follows: BUG: Memory leak Unreferenced object 0xffff88810b088c00 size 240: Comm “syz-executor186”, pid 5012, jiffies 4294943306 age...

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: fbdev: core: fbcvt: avoid division by 0 in fbcvthperiod In fbfindmodecvt, if mode-refresh happens to be 0x80000000, cvt.frefresh will become 0 when multiplied by 2 due to overflow. This value is then passed to fbcvthperiod, where...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: adv7511: Unregistering the i2c device after unregistering the CEC adapter. The cecunregisteradapter function assumes that the underlying CEC adapter is callable. For example, if the CEC adapter currently has a valid...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Security issue: Restrict CONFIGZEROCALLUSEDREGS to GCC or Clang version 15.0.6 or later. A bug in Clang’s implementation of -fzero-call-used-regs can lead to NULL pointer dereferencing see the links above the check for more...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed the use of “free” after calling “rmmod”. “platdev-dev-platformdata” is released by calling “platformdeviceunregister”. The use of “pclk” and “hclk” constitutes a use-after-free. Since “deviceunregister” does n...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets When the FarSync T-series card is being detached, the fstcardinfo is deallocated in fstremoveone. However, the fsttxtask or fstinttask may still be running ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: bcm63xxudc: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be processed by calling dput; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux

A memory leak vulnerability was discovered in the Linux kernel’s llcpsockconnect function...

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

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition when deleting the quota root from the “dirtycowonlyroots” list. When disabling quotas, we delete the quota root from the fsinfo-dirtycowonlyroots list without locking it, which requires the protectio...

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

A issue was discovered in the Linux kernel before version 6.3.2. A use-after-free was found in saa7134finidev in drivers/media/pci/saa7134/saa7134-core.c...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: Using the kobject release method to free dbsdata The struct dbsdata contains a struct govattrset, and the struct govattrset contains a kobject. Since every kobject must have a release method, and we cannot...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net:emac/emac-mac: A use-after-free issue was addressed in emacmactxbufsend. In emacmactxbufsend, it calls emactxfilltpd.., skb,... If an error occurs in emactxfilltpd, the skb will be freed via devkfreeskbskb in the error branch...