Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: caif: Fix use-after-free in caifSerial ldiscClose There is a use-after-free bug in caifSerial where handletx may access ser-tty after tty has been freed. The race condition occurs between ldiscClose and packet transmissio...

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: fs: writeback: Fixed a use-after-free issue in markinodedirty. A use-after-free issue occurred when markinodedirty accessed bdiwriteback, which was in progress during the switch operation. CPU: 1, PID: 562, Comm: systemd-random-N...

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: NFSD: Fixed a crash in nfsd4readrelease When tracing is enabled, the tracenfsdreaddone trace point crashes during the pynfs read.testNoFh test...

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: net/sched: schqfq: Fixed a null dereference in aggdequeue. To prevent a potential crash in aggdequeue when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the returned value before using it, similar to the existing approach in...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: mmc: uniphier-sd: A resource leak has been fixed in the remove function. A call to tmiommchostfree is missing from the remove function. This is to balance the call to tmiommchostalloc in the probe. This issue occurs in the error...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fixed out-of-band OOB access during the parseadvmonitorpattern function execution. In the parseadvmonitorpattern function, the value of the length variable is currently limited to HCIMAXEXTADLENGTH251. The size o...

Astra Linux – Vulnerability in Linux

A issue was discovered in netfilter within the Linux kernel before version 5.10. There may be a use-after-free situation in the packet processing context, as the per-CPU sequence count is mishandled during concurrent iptables rule replacements. This vulnerability could be exploited with the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The socket is closed after it has been accepted, even when the per-IP limit is exceeded and a connection attempt fails. When the per-IP connection limit is exceeded in ksmbdkthreadfn, the code sets ret to -EAGAIN and...

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: net: sched: fix ets qdisc OOB Indexing Haowei Yan discovered that etsclassfromarg can index an Out-Of-Bound class when the clid of 0 is passed. This may lead to local privilege escalation. 18.852298 ------------ Cut here...

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/mlx5: Fix for the memory leak in mlx5drcmdcreatereformatctx. When mlx5cmdexec fails in mlx5drcmdcreatereformatctx, the memory pointed to by ‘in’ is not released, which can lead to a memory leak. Move the memory release...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: gfs2: Fix for fiemap page faults In gfs2fiemap, we call iomapfiemap while holding the inode lock. This can lead to recursive locking if the fiemap buffer is memory-mapped to the same inode, and accessing it triggers a page...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetrbtree: check for partial overlaps in anonymous sets The user space provides an optimized representation when case intervals are adjacent, where the end element is omitted. The existing partial overlap detection...

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: smb: Client – Reject descriptions of cifs.spnego in user space Descriptions of cifs.spnego keys contain fields that carry authority information, such as pid, uid, creduid, and upcalltarget. The cifs.upcall function treats these...

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: drm/dpmst: Fixed the check on the length of the MST sideband message body. The issue involved checking the length of the MST sideband message body; it must be at least 1 byte, taking into account the message body CRC also known a...

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: usb: atm: cxacru: fixed a flaw in existing endpoint checks Syzbot once again identified a flaw in USB endpoint checking. See 1. This time, the issue stems from a commit authored by me 2eabb655a968, “usb: atm: cxacru: fix endpoint...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hrtimers: Timers queued after CPUHPAPHRTIMERSDYING are forced to be migrated away from the dying CPU to any online target. This is done to avoid delaying bandwidth timer handling tasks related to CPU hotplug progress. However,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Ensure a sane device MTU in tunnels Another syzbot report 1 indicates a bug in the ip6gre tunnel device: dev:ip6gretap0. Since the ipv6 mcast code ensures that the dev-mtu is read once and a sanity check is performed on it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: parisc: Revised getuser to probe user read access rights. Due to the way read access support is implemented, read access interruptions are only triggered at privilege levels 2 and 3. The kernel executes at privilege level 0, so...

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

In the Linux kernel, the following vulnerability has been resolved: Input: uinput – rejects requests with an unreasonable number of slots When using uinput, the syzkaller may attempt to set up a device with a very large number of slots, leading to a memory allocation failure in inputmtinitslots...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: aspeedudc: validate endpoint index for ast udc We should verify the binding of the array to ensure that the host cannot manipulate the index to point beyond the endpoint array. This issue was identified through a...