Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ARM: meson: Fixed a refcount leak in mesonsmppreparecpus. offindcompatiblenode returns a node pointer with a refcount incremented. We should use ofnodeput on it after processing. Added ofnodeput to prevent the refcount leak fr...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the tunnels section, there’s no need to assume that the macheader is set when using skbtunnelcheckpmtu. The recently added debug in commit f9aefd6b2aa3 “net: warn if mac header was not set” identified a bug in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: exynos-ppmu: Fixed a refcount leak in the ofgetdevfreqevents function. The ofgetchildbyname function returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer after execution. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Netfilter: Use getrandomu32 instead of prandom. This issue may occur when updating the per-cpu rndstate from the user context, i.e., at the localout path. BUG: Using smpprocessorid in preemptible 00000000 code: nginx/2725 Caller:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fixed the issue with xdprxqinfo after suspend/resume. The following sequence currently causes a driver bug warning when using virtionet: bash ip link set eth0 up echo mem /sys/power/state or e.g. rtcwake -s 10 -m mem i...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: tun: Unlinking the NAPI from the device upon destruction. Syzbot identified a race condition between the tun file and the device destruction process. NAPIs reside in the structtunfile structure, and this structure may be...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb:dwc2: Fixed a memory leak in dwc2hcdinit usbcreatehcd will allocate memory for hcd, and we should call usbputhcd to free that memory when platformgetresource fails, thereby preventing the memory leak. To fix this issue, chang...

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

A “use-after-free” vulnerability in the Linux kernel’s ipv4:igmp component can be exploited to achieve local privilege escalation. A race condition can also be exploited, causing a timer to be mistakenly registered on a RCU read-locked object that is then freed by another thread. We recommend...

Astra Linux – Vulnerability in Linux 5.15

A out-of-bounds memory read flaw was discovered in the parseleasestate function within the KSMBD implementation of the in-kernel Samba server and CIFS in the Linux kernel. When an attacker sends the CREATE command along with a malformed payload to KSMBD, due to a lack of checks on the NameOffset...

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

A issue was discovered in the Linux kernel through version 6.1-rc8. The function dpucrtcatomiccheck in the file drivers/gpu/drm/msm/disp/dpu1/dpucrtc.c lacks a check for the return value of kzalloc. This issue may lead to a NULL Pointer Dereference...

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

A issue was discovered in the drivers/usb/storage/eneub6250.c file for the ENE UB6250 reader driver in the Linux kernel before version 6.2.5. An object could potentially extend beyond the end of an allocation...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: fixed potential NULL pointer dereferencing in ncmbitrate In Google’s internal bug report 265639009, we received a crash report from a aarch64 GKI 5.10.149-android13 running device. This report is currently...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Add exception protection processing for vd in the axichanhandleerr function. Since there is no protection for vd, a kernel panic will be triggered in exceptional cases. You can refer to the processing of the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nfc: pn533: Wait for outurb’s completion in pn533usbsendframe A use-after-free issue occurred in hcd when inurb sent from pn533usbsendframe was completed earlier than outurb. The callback in pn533sendComplete frees the skb dat...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed an oops due to uninitialized server-smbdconn during reconnection. In smbdDestroy, the server-smbdconn pointer is cleared after freeing the smbdconnection structure it points to, so that reconnection won’t be confused...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: betop: Check the shape of output reports The betopffinit function only checks that the total sum of the report counts for each report field is at least 4. However, hidbetopffplay expects 4 report fields. A device that sends ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: mdio: validate parameter addr in mdiobusgetPhy The caller may pass any value as addr, which could lead to an out-of-bounds access to the mdiomap array. One existing case is in stmmacinitPhy, where -1 may be passed as addr...

Astra Linux – Vulnerability in Linux 5.15

In the efirtasmwrapper of efi-rt-wrapper.S, there is a possible way to bypass shadow stack protection due to a logical error in the code. This could result in a local escalation of privileges without the need for additional execution privileges. User interaction is not required for exploitation...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel before version 6.0.3, the file drivers/gpu/drm/virtio/virtgpuobject.c misinterprets the return value of drmgemshmemgetsgtable. It expects the value to be NULL in the error case, but in reality, it is an error pointer...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel before version 5.19, the file drivers/gpu/drm/arm/malidpplanes.c misinterprets the return value of getsgtable. It expects the return value to be NULL in the error case, but in reality, it is an error pointer...