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: orangefs: fixed an out-of-bounds read in orangefsdebugwrite. I received a report from syzbot regarding an out-of-bounds read in orangefsdebugwrite… Several people suggested solutions. I tested Al Viro’s suggestion and created thi...

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: AppArmor: A memory leak was fixed in the verifyheader function. The function sets ns = NULL on every call, causing a memory leak for the namespace string allocated in previous iterations when multiple profiles are unpacked. This...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btusb: Added a NULL check for “date-evtskb”. Fixed a crash due to NULL pointers. 6104.969662 BUG: NULL pointer dereferencing in the kernel; address: 00000000000000c8 6104.969667 PF: Supervisor read access in kernel...

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: icmp6: Fixed the null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP, and it will be forwarded to an external IP in t...

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

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: Initialization of additional fields in sctpv6fromsk was incorrect, leading to undefined behavior. SYZbot discovered that sin6scopeid was not properly initialized, causing undefined behavior. sin6scopeid and sin6flowinfo...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a use-after-free in btrfsencodedreadendio. Shinichiro reported the following use-after-free that sometimes occurs in our CI system when running fstests' btrfs/284 on a TCMU runner device: BUG: KASAN:...

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

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Avoid undefined behavior: applying zero offset to a null pointer. The commit number for this fix is 770653e3ba67c30a629ca7d12e352d83c2541b1e. Before this change, the following UBSAN stack trace was seen in Fuchsia: 0...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/ttm: Added a check to avoid dereferencing of a null pointer during swapping. The check is as follows: 90.002283 General protection fault, likely for non-canonical addresses. Address 0xdffffc0000000000: 0000 1 PREEMPT SMP...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Do not generate an interrupt during bus reset. Now that the i2c-i801 driver supports interrupts, setting the KILL bit in an attempt to recover from a timed-out transaction triggers an interrupt. Unfortunately, the...

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: EFI: In runtime mode, a potential overflow of the size of the soft-reserved region has been fixed. If there are pages worth ≥ 4GB in a soft-reserved region, the value of mdsize will be reduced...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Use two-phase skb reclamation in ieee80211dostop Since 'devqueuexmit' should be called with interrupts enabled, the following backtrace is shown: ieee80211dostop … spinlockirqsave&local-queuestopreasonlock, flags ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: making the apf token non-zero to fix the bug In the current async pagefault logic, when a page is ready, KVM relies on kvmarchcandequeuepagepresent to determine whether to deliver a READY event to the Guest. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: check the return value of con2fbacquirenewinfo. If fbconopen fails when called from con2fbacquirenewinfo, then info-fbconpar pointer remains NULL, and this pointer will be dereferenced later. A check for the return value o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kunit/overflow: Fixed the UB in overflowallocationtest. The 'devicename' array does not exist outside the 'overflowallocationtest' function scope. However, it is being used as a driver name when calling 'kunitdrivercreate' from...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Fixed an out-of-bounds issue in dbNextAG and diAlloc. In dbNextAG, there was no check for the case where bmp-dbnumag is greater than or equal to MAXAG due to a corrupted image, which could lead to an out-of-bounds...

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

In the Linux kernel, the following vulnerability has been resolved: Media: dvb-frontends: tda10048 – Fixed integer overflow. state-xtalhz can be up to 16M; when multiplied by pllmfactor, it may cause an integer overflow of 32 bits. A new 64-bit variable was created to store the calculated values...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fixed the leak of rcvhdrtaildummykvaddr. This buffer is currently allocated in hfi1init. c if reinit ret = initafterresetdd; else ret = loadtimeinitdd; if ret goto done; / Allocate dummy tail memory for all receive...

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

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use arrayindexnospec with indices that come from the guest. min and destid are guest-controlled indices. Using arrayindexnospec after the bounds checks helps to mitigate speculative execution side-channels...

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

In the Linux kernel, the following vulnerability has been resolved: In the ftrace function, a potential warning was fixed in traceprintkseq during ftracedump. When ftracedumpone is called concurrently with reading from tracepipe, a WARNONONCE message can be triggered due to a race condition. The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Always use vmcb01 in the emulation of VMLOAD/VMSAVE. The commit cc3ed80ae69f states that “KVM: nSVM: always use vmcb01 for vmsave/vmload of guest state”. This commit ensured that KVM always used vmcb01 for the fields...