Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: added accessors to read/set tp-sndcwnd. Over the years, we’ve had various bugs in the code that broke the assumption that tp-sndcwnd is greater than zero. Recently, syzbot reported that the condition WARNONONCE!tp-priorcwnd...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Use checkaddoverflow to prevent overflow of the u16 DACL size. The functions setposixaclentriesdacl and setntacldacl accumulate the ACE sizes in u16 variables. When a file has many POSIX ACL entries, the accumulated size c...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/netiucv: Fixed the return type of netiucvtx With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG feature, indirect call targets are validated against the expected function pointer prototype to ensure that the call...

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

In the Linux kernel, the following vulnerabilities have been resolved: mlxsw: spectrumacltcam: Fixed incorrect use of the list API. Both the function that migrates all the chunks within a region and the function that migrates all the entries within a chunk call listfirstentry on the respective...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Fixed a bug in the pipe direction for control transfers. The syzbot fuzzer reported a minor bug in the usbtmc driver: usb 5-1: The BOGUS control direction, pipe 80001e80, does not match bRequestType 0. WARNING: CPU: ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: SOF: ipc3-control: Fixed a heap overflow in bytesext put/get The ipccontroldata buffer is allocated using kzallocmaxsize, where maxsize covers the entire struct sofipcctrldata, including its flexible array payload...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: mceusb: Use the new usbcontrolmsg routines. Automatic kernel fuzzing led to a WARN message regarding an invalid pipe direction in the mceusb driver: ------------ Cut here ------------ usb 6-1: BOGUS control dir, pipe...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: TCP: cdg: allows tcpcdgrelease to be called multiple times. It seems that MPTCP can call tcpdisconnect on a flow that is already disconnected. This is generally fine, unless the current congestion control mechanism is CDG, as ...

Astra Linux – Vulnerability in Redis

Redis is an open-source, in-memory database that persists data on disk. In versions prior to 8.0.3, as well as in 7.4.5, 7.2.10, and 6.2.19, an authenticated user could use a specially crafted string to trigger an out-of-bounds write operation on the hyperloglog data structure, potentially leadin...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/aio: Check IOCBAIORW before the conversion of struct aiokiocb. The first argument of kiocbset Cancelfn may point to a struct kiocb that is not embedded within struct aiokiocb. With the current code, depending on the compiler,...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: USB: Fixed an error in the warning message for incorrect direction handling in plusb.c. The syzbot fuzzer detected a bug in the plusb network driver: A zero-length control-OUT transfer was incorrectly treated as a read...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: CGX: fix bitmap leaks The RX/TX flow-control bitmaps rxfcpfvfbmap and txfcpfvfbmap are allocated by cgxlmacinit, but never freed in cgxlmacexit. Unbinding and rebinding the driver therefore triggers a kmemleak:...

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: SCTP: The order of operations for SCTPCMDASSOCSHKEY should be changed to right after SCTPCMDPEERINIT. A null-ptr-deref issue was reported in the SCTP transmission path when the initialization of the SCTP-AUTH key fails:...

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: dccp: A memory leak has been fixed in dccpfeatchangerecv. If dccpfeatpushconfirm fails after a new value for the SP feature is accepted, without reconciliation i.e., when entry == NULL, the memory allocated for that value never...

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

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fixed an old BUGON in the control parser. Fixed a BUGON from 2009. Even if it seems “unreachable” I haven’t actually checked, let’s ensure it by removing it and instead using prerr and returning -EINVAL...

Astra Linux – Vulnerability in curl

When curl is used to retrieve and parse cookies from an HTTPS server, it accepts cookies using control codes that, when sent back to an HTTP server later, may cause the server to return 400 responses. This effectively allows a “sister site” to deny service to all other sibling sites...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fix for u8 overflow By continuously sending L2CAPCONFREQ packets, chan-numconfrsp increases multiple times, eventually exceeding the maximum number i.e., 255. This patch prevents this issue by adding a bounda...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Properly handles tunneled traffic when using GSO fallback for IPV6CSUM. NETIFFIPV6CSUM only indicates support for packet checksum offloading without IPv6 extension headers. Packets with extension headers must rely on...

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

In the Linux kernel, the following vulnerabilities have been resolved: Slip: Make slhcremember more robust against malicious packets. syzbot found that slhcremember lacked checks against malicious packets 1. slhcremember only checks that the packet’s size is at least 20 bytes, which is...

Astra Linux – Vulnerability in OpenSSH

In OpenSSH versions prior to 10.1, control characters in user names that originated from certain potentially untrusted sources could lead to code execution when ProxyCommand was used. The potentially untrusted sources include the command line and the %-sequence expansion from a configuration file...