CVE-2026-81883

radare2 , a UNIX-like reverse engineering framework and command-line toolset, is affected by an out-of-bounds read in its Lua 5.3 bytecode function parser prior to version 6.2.0 . The parser reads fixed function-metadata fields (two integers and three one-byte fields) immediately after a function...

CVE-2026-25290 Integer Overflow or Wraparound in OOBM

Memory Corruption when validating large data buffers from external sources using addition to check buffer length...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fixed the issue where no check was performed to determine whether skb actually contained an ACL header. Otherwise, the code might attempt to access uninitialized/invalid memory beyond the valid skb-data...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the BPF code, ensure that skb-len != 0 when redirecting a packet to a tunneling device. The syzkaller function managed to trigger another case where skb-len == 0 when entering devqueuexmit. WARNING: CPU: 0, PID: 2470; Location...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a potential out-of-bounds write issue in getfileallinfo for compound requests. When a compound request consists of QUERYDIRECTORY + QUERYINFO FILEALLINFORMATION, and the first command consumes nearly the entire...

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: usb: dwc3: gadget: Check that the event count does not exceed the event buffer length. The event count is read from the register DWC3GEVNTCOUNT. There is a check for the count being zero, but no check for exceeding the event buff...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9khtc: Use skbsetlength to reset urb before resubmitting it. Syzbot points out that skbtrim has a sanity check on the existing length of the skb; this length might not be initialized in some error-prone situations. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Increase scanieslen for S1G. Currently, the S1G capability element is not taken into consideration when calculating scanieslen, which leads to a buffer length validation failure in the ieee80211prephwscan functio...

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: media: uvcvideo: Fixed a 1-byte out-of-bounds read in uvcparseformat. The check for the buffer length before calling uvcparseformat only ensured that the buffer contained at least 3 bytes buflen 2. However, the function accesses...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Corrected the incorrect validation of the next buffer length in smb2setea. There are multiple smb2eainfo buffers in the FILEFULLEAINFORMATION request from the client. ksmbd uses the NextEntryOffset of the current...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: A bug in accessing the uninit variable was fixed in qrtrtxresume. Syzbot reported the bug as follows: ===================================================== Bug: KMSAN: Access to the uninitvalue variable in...

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: netrom: Check the buffer length before accessing it. Syzkaller reports an issue where an uninit value is read from ax25cmp when sending raw messages through the ieee802154 implementation...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: emsusb: emsusbreadbulkcallback: Check the proper length of a message. When analyzing data in an USB urb, actuallength represents the size of the buffer passed to the driver. However, transferbufferlength, which is set by the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Validates buffer length during parsing of index The indxread function is called when there are certain NTFS directory operations that require more information from the index buffers. This adds a sanity check to ensur...

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: ALSA: usb-audio: Fixed an out-of-bounds read in sndusbgetaudioformatuac3 In sndusbgetaudioformatuac3, the length value returned from sndusbctlmsg is used directly for memory allocation without validation. This length is controlle...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k – Avoid referencing uninitialized memory in ath9kwmictrlrx. For the same reasons described in commit b383e8abed41 “Wifi: ath9k – Avoid uninitialized memory reading in ath9khtcrxmsg”, ath9khtcrxmsg should validate the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net:emac/emac-mac: A use-after-free issue was addressed in emacmactxbufsend. In emacmactxbufsend, it calls emactxfilltpd.., skb,... If an error occurs in emactxfilltpd, the skb will be freed via devkfreeskbskb in the error branch...

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: net: atm: fixed the use after free in lecsend The -send operation frees the skb object; therefore, the length of the object should be saved before calling -send to avoid a use after free situation...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Check the length of skb for an unknown CC opcode. In hcicmdCompleteevt, if the command completion event has an unknown opcode, we assume that the first byte of skb-data contains the return status. However, th...

CVE-2026-89551

A flaw was found in the Linux kernel's SUNRPC subsystem, specifically within the xdrbuftrim function. This vulnerability occurs when xdrbuftrim attempts to reduce the size of an XDR buffer. If the buffer's length is smaller than the amount being trimmed, an integer underflow can occur, causing th...