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

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a possible use-after-free issue in ftracelocation. KASAN reports a bug: BUG: KASAN: use-after-free in ftracelocation+0x90/0x120 Reading an 8-byte value at address ffff888141d40010 by task insmod/424 CPU: 8 PID: 4...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: Fixed a use-after-free bug by not setting udc-dev.driver. The syzbot fuzzer identified a use-after-free bug: BUG: KASAN: Use-after-free in devuevent+0x712/0x780 drivers/base/core.c:2320. A read of size 8 at address...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The userfaultfdapi function has been fixed to return EINVAL as expected. Currently, if we request a feature that is not set in the kernel configuration, we will fail silently and return all available features. However, the manual...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fixed the slab-use-after-free issue in cachefileswithdrawcookie We encountered the following issue during our fault injection stress test: ================================================================== BUG: KASAN:...

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

In the Linux kernel, the following vulnerability has been resolved: Wireguard: allowedips – avoid unaligned 64-bit memory accesses On the Parisc platform, the kernel issues warnings because swapendian attempts to load a 128-bit IPv6 address from an unaligned memory location: - Kernel: Unaligned...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: use of a stale path after allocation in ext4extinsertextent As Ojaswin mentioned in the link, in ext4extinsertextent, if the path is reallocated during ext4extcreatenewleaf, we will use a stale path, leading to a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dma-mapping: benchmark: fix node id validation While validating node IDs in mapbenchmarkioctl, the nodepossible function may receive invalid arguments outside the range of 0, MAXNUMNODES-1, leading to: BUG: KASAN:...

Astra Linux – Vulnerability in espeak-ng

It was discovered that Espeak-ng 1.52-dev contains a Stack Buffer Overflow issue due to the function RemoveEnding in the dictionary.c file...

Astra Linux – Vulnerability in espeak-ng

It was discovered that Espeak-ng 1.52-dev contains a Floating Point Exception due to the use of the PeaksToHarmspect function in wavegen.c...

Astra Linux – Vulnerability in wpa

There exists a exploitable denial-of-service vulnerability in hostapd 2.6. An attacker could trigger the AP to send IAPP location updates for stations, even before the required authentication process is completed. This could lead to various denial-of-service scenarios, either by causing CAM table...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed an issue where asyncfreespace accounting for empty parcels was incorrect. In version 4.13, commit 74310e06be4d “android:binder: Move buffer out of area shared with user space” fixed a issue related to the visibility...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFC: st21nfca – A memory leak was fixed in the device probe, and the phy-pendingskb variable was properly freed after allocation. However, it was forgotten to be freed during the error handling and removal processes, resulting in...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: hfsplus: prevented corruption during the shrinking of truncate operations. I believe there are some issues introduced by commit 31651c607151 “hfsplus: avoided deadlock during file truncation”. HFS+ uses extent records, which alwa...

Astra Linux – Vulnerability in OpenSSL

Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary: Applications that use OBJobj2txt directly, or use any of the OpenSSL subsystems such as OCSP, PKCS7/SMIME, CMS, CMP/CRMF, or TS without a message size limit may...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfconntrack: A crash occurred when attempting to remove an uninitialized entry from the hash bucket list. A crash occurred while trying to remove the conntrack entry from the hash bucket list: Exception RIP:...

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 in cups-filters

“cups-filters” contains backends, filters, and other software necessary to enable the “cups” printing service on operating systems other than macOS. If you use the “Backend Error Handler” beh to create an accessible network printer, this security vulnerability could lead to remote code execution...

Astra Linux – Vulnerability in Qemu

A issue was discovered in QEMU versions 7.1.0 through 8.2.1. The registervfs function in hw/pci/pciesriov.c mishandles the situation where a guest writes a number of NumVFs that is greater than the total number of TotalVFs, resulting in a buffer overflow in VF implementations...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: dsa: Fix the dereferencing of netdevpriv before type checking in non-DSA network device events. After the affected commit, we began handling this dereferencing for every NETDEVCHANGEUPPER and NETDEVPRECHANGEUPPER event in th...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: bridge: switchdev: Skip MDB replays of deferred events on offload Before this change, the generation of the list of MDB events to replay competed with the creation of new group memberhips, either through the IGMP/MLD snoopin...