Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: Fixed the issue of releasing pinned pages when iouaddrmap fails. Looking at the error path of iouaddrmap, if we fail to pin the pages for any reason, ret will be set to -EINVAL, and the error handler will not properly...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In iouring/net, there is a fix for a slab-out-of-bounds read in iobundlenbufs. sqe-len is defined as u32, but it is stored in sr-len, which is of type int. When userspace values of sqe-len exceed INTMAX e.g., 0xFFFFFFFF, sr-len...

Astra Linux – Vulnerability in Linux 6.1

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: Ensure that ctx-rings is stable when manipulating task work flags. If DEFERTASKRUN | SETUPTASKRUN is used, and task work is added while the ring is being resized, there is a possibility that the OR operation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: Fixed a fget leak when the file system does not support nowait buffered reads. Heming reported a bug when using iouring for link-cp operations on ocfs2. 1 The following steps can reproduce this bug: mount -t ocfs2 /dev/v...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: A memory leak was fixed when removing provided buffers. When removing provided buffers, the iobuffer structures were not being disposed of properly, resulting in a memory leak. These structures cannot be freed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: Rejects zero-length fixed buffer imports. The validatefixedrange function allows for the use of bufaddr at the exact end of the registered region when len is zero. This occurs because the check uses a strict...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring/zcrx: fixed the sgtable leak that occurs during mapping failures. In a rare case where iopopulateareadma fails—which can only occur on a PAGEPOOL32BITARCHWITH64BITDMA machine—iozcrxmaparea will have an initialized but...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: fail cancellation for EXITING tasks WARNING: CPU: 1 PID: 20 at fs/iouring.c:6269 iotrycanceluserdata+0x3c5/0x640 fs/iouring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller 0 Workqueue: events...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed the issue where multishot accept requests could lead to leaks. Setting REQFPOLLED does not guarantee that the request will be executed as a multishot from the polling path. Fortunately, if the code misidentifies...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring/zcrx: fixed the page array leak. d9f595b9a65e “iouring/zcrx: fixed the issue of leaked pages during sg initialization failure” fixed a page leakage issue; however, the page array was not freed either...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: prevents reg-wait speculation. By using ENTEREXTARGREG instead of passing a user pointer along with arguments for the waiting loop, the user can specify an offset within a pre-mapped region of memory. In this case, offse...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: The bounds check for the physical SQE index in SQEMIXED 128-byte operations has been fixed. When IORINGSETUPSQEMIXED is used without IORINGSETUPNOSQARRAY, the boundary check for 128-byte SQE operations in ioinitreq...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring/zcrx: fixed the race condition between the scrub and refill paths involving userrefs The iozcrxputniovuref function uses a non-atomic check-then-decrement pattern atomicread followed by an atomicdec to manipulate...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/cmdnet: fixed incorrect argument types for skbqueuesplice. If the retrieval of the timestamp needs to be retried, and the local list of SKBs already contains entries, then the data is spliced back into the socket queue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fixed the issue of exceeding the recv limit. It is reported that sometimes a zcrx request can receive more than was requested. This issue arises because iozcrxrecvskb adjusts desc-count for all received buffers,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: fixed the truncation of the regbuf vector size. There is a report that ioestimatebvecsize truncates the calculated number of segments, leading to corruption issues. Ensure that the “int” variables used later do not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/rw: Ensure that the allocated iovec is cleared in case of an early failure. A previous commit reused the recycling infrastructure for early cleanup, but this is not sufficient in cases where our internal caches overflow. ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: fixed the error in pbuf checking Syz reports a problem, which boils down to inconsistent error handling of NULL vs ISERR in ioallocpbufring. KASAN: nullptrderef in the range 0x0000000000000000-0x0000000000000007 RIP:...

USN-8279-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...