Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/gup: fixed guppudrange for dax For dax pud, pudhuge returns true on x86. Therefore, the function works as long as hugetlb is configured. However, dax does not depend on hugetlb. Commit 414fd080d125 “mm/gup: fixed guppmdrang...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: Move page table sync declarations to linux/pgtable.h During our internal testing, we began observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: Unable to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: s390/qeth: Fixed a kernel panic that occurred after setting the hsuid attribute. Symptom: When the hsuid attribute is set for the first time on an IQD Layer3 device, while the corresponding network interface is already up, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate instead of imafreekexecbuffer. The code that calls imafreekexecbuffer is executed long after the memblock allocator has already been removed. This could lead to a use-after-free in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: avoid adding an interface to the list twice when SER occurs. If SER L2 occurs during the WoWLAN resume flow, the interface addition process is triggered by ieee80211reconfig. However, due to the return failure of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs: hfsplus: removing WARNON from hfspluscatread,writeinode. The syzbot tool encounters WARNON in hfspluscatread,writeinode, where a crafted filesystem image may contain invalid lengths. These conditions do not constitute kernel...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fixed DIO failure due to insufficient transaction credits The code in ocfs2dioendiowrite estimates the number of transaction credits required using ocfs2calcextendcredits. However, this does not take into account that the ...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8 contains SAUCE patches that include a potential NULL pointer dereferencing issue in the handling of AppArmor notifications. This bug can be triggered by an unprivileged local user, and it can lead to a kernel panic...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: clk: meson: Added missing clocks to axgclkregmaps Some clocks were missing from axgclkregmaps, which caused kernel panic during the command cat /sys/kernel/debug/clk/clksummary. 57.349402 Unable to handle a NULL pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: Avoid overflows in ip6datagramsendctl Yiming Qian reported: I believe I have found a locally triggerable kernel bug in the IPv6 sendmsg auxiliary-data path that can cause the kernel to panic via skbunderpanic local DoS...

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: f2fs: added a sanity check on sitbitmapsize. With the above testcase, resizing will generate a corrupted image that contains inconsistent metadata. Therefore, when mounting such an image, it will trigger a kernel panic. Steps to...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: mld: Fixed a panic that occurred in mldnewpack. mldnewpack does not allow for the allocation of higher-order pages; only order-0 allocations are allowed. If the headroom size is too large, a kernel panic may occur in skbput...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsllpuart: disable dma rx/tx use flags in lpuartdmashutdown lpuartdmashutdown tears down the lpuart DMA mechanism, but lpuartFlushBuffer can still occur. This attempt to access DMA APIs occurs if the lpuartDMATXuse...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Fixed the null-ptr-deref in neightableclear. When the IPv6 module is initialized, an error occurs in the middle. This results in a kernel panic with the following error message: KASAN: Nullptrderef in range...

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: Firmware: stratix10-svc – Fixed a bug in saving controller data. Fixed the incorrect use of platformsetdrvdata and devsetdrvdata. Both functions refer to the same data, and they override each other. This caused the svc driver’...

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: qed: Do not collect too many protection override GRC elements In the protection override dump path, the firmware may return far too many GRC elements, leading to attempts to write beyond the previously allocated dump buffer. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: brcmstb: Fixed the error handling path after a call to regulatorbulkget. If regulatorbulkget returns an error and no regulators are created, we need to set their number to zero. If we do not perform this action, and the PCIe...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Range check on CHDBOFF and ERDBOFF If the values read from the CHDBOFF and ERDBOFF registers are outside the range of the MHI register space, an invalid address may be calculated, which can later cause a kernel...

Astra Linux – Vulnerability in udisks2

A vulnerability has been discovered in udisks2. This flaw allows an attacker to submit a specially crafted image file/USB, resulting in kernel panic. The greatest threat posed by this vulnerability is to system availability...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restricting xtcheckmatch/xtchecktarget extensions for NFPROTOARP Weiming Shi states that: The xtmatch and xttarget structures registered with NFPROTOUNSPEC can be loaded by any protocol family through nftcompa...