Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ACPI: Tables: FPDT: Do not call acpiosmapmemory on an invalid physical address. On a Packard Bell Dot SC Intel Atom N2600 model, there is an FPDT table containing invalid physical addresses, with high bits set that fall outside t...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: UM: cpuinfo: Fixed a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS are selected, cpumaxbitswarn generates a runtime warning similar to the following, while we display /proc/cpuinfo. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Check instead of asserting on nested TSC scaling support Check for nested TSC scaling support on nested SVM VMRUN instead of asserting that TSC scaling is exposed to L1 if L1’s MSRAMD64TSCRATIO has diverged from KVM’s...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Stop the dlserver function before the CPU goes offline. The IBM CI tool reported a kernel warning1 when performing a CPU removal operation using drmgr2. For example: “drmgr -c cpu -r -q 1”. WARNING: CPU: 0 PID: 0 ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “hungtask”: fixed warnings caused by unaligned lock pointers. The blocker tracking mechanism assumes that lock pointers are at least 4-byte aligned, so that their lower bits can be used for type encoding. However, as reported by...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: lib/fonts: Fixed undefined behavior in bit shifting for getdefaultfont. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning “calltrace” is as follow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PM: sleep: The spurious WARNON message from pmrestoregfpmask was removed. Commit 35e4a69b2003f “PM: sleep: Allow pmrestrictgfpmask stacking” introduced a refcount-based GFP mask management mechanism. This mechanism would issue a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/ena: Fixed an issue where a lock was not acquired when updating devlink parameters. A assert lock warning was also fixed when calling devlparamdriverinitvalueset in ena. WARNING: net/devlink/core.c:261 at...

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

In the Linux kernel, the following vulnerability has been resolved: ionic: removed WARNON to prevent paniconwarn. Unnecessary early code development checks and the WARNON have been removed. The processes related to irq allocation and deallocation have also been cleaned up. This check shouldn’t ha...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: erofs: The issue of generating a order = MAXORDER warning due to an intentionally crafted negative isize has been fixed. As reported by syzbot 1, the root cause is that the isize field is a signed type, and a negative isize value...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mm/khugepaged: fixed -anonvma race condition If an -anonvma is attached to the VMA, the collapseandfreepmd function requires it to be locked. Page table traversal is allowed under either the mmap lock, the anonvma lock if the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: mdio: fixed an undefined behavior in bit shifting for mdiobusregister. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning appears as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/omap: fixed the NULL but dereferenced coccicheck error. Fixed the following coccicheck warning: ./drivers/gpu/drm/omapdrm/omapoverlay.c:89:22-25: ERROR: rovl is NULL, but it was dereferenced. The correct value should be ovl-i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtiovdpa: Building affinity masks conditionally We were trying to build the affinity mask using createaffinitymasks unconditionally, which could lead to several issues: - The affinity mask is not used for parent processes witho...

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: netfilter: nftables: rejecting new basechains after table flag updates When the “dormant” flag is toggled, hooks are disabled during the commit phase by iterating over existing and new chains in the table. The following...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed a use-after-free in i40eclientsubtask. Currently, the call to i40eclientdelinstance frees the object pf-cinst. However, pf-cinst-laninfo is accessed after the object is freed. This issue was fixed by adding the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net: ipv4: fixed the issue where deleting routes with a nexthop object triggered a warning. The FRR team encountered a kernel warning1 while deleting routes2. This issue occurred when attempting to delete a route that pointed ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio: Use virtiodeviceready in virtiodevicerestore After waking up a suspended VM, the kernel prints the following trace for virtio drivers that do not directly call virtiodeviceready in .restore: PM: suspend exit irq 22: nobod...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: igc: Avoid kernel warnings when changing RX ring parameters Calling ethtool to change RX ring parameters like this: $ ethtool -G eth0 rx 1024 triggers kernel warnings like this: 225.198467 ------------ Cut here 225.198473 Missing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Ensure that the correct amount of memory is released during direct IO write operations. Running generic/406 causes the following warning in btrfsdestroy inode, indicating that there are still outstanding extents...