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: PCI/IOV: Fixed a race condition between enabling/disabling SR-IOV and hot-plug events. The commit 05703271c3cd “PCI/IOV: Added locking for PCI rescan and removal when enabling/disabling SR-IOV” attempted to address the race...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: SELinux: The use of both GFPKERNEL and GFPATOMIC in convertcontext was enabled. The following warning was triggered in a hardware environment: SELinux: Converting 162 SID table entries... BUG: The sleeping function was called...

Astra Linux – Vulnerability in wget

In GNU Wget version 1.24.5, url.c handles semicolons in the userinfo subcomponent of a URI incorrectly. As a result, there may be insecure behaviors where data that should be within the userinfo subcomponent is misinterpreted as being part of the host subcomponent...

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

In the Linux kernel, the following vulnerabilities have been resolved: netns: Ensure that getnetns handles zero refcount nets properly. Syzkaller encountered a warning: refcountt: Addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Linked...

Astra Linux – Vulnerability in Firefox

The NSCDeriveKey function inadvertently assumed that the phKey parameter was always non-NULL. When the parameter was passed as NULL, a segmentation fault occurred, resulting in crashes. This behavior conflicts with the PKCS11 v3.0 specification, which allows phKey to be NULL for certain mechanism...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Reapply ‘drm/qxl: simplify qxlfencewait’” This change reverts the commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea. Stephen Rostedt reported: “I tried running my tests on my virtual machines, but the tests failed upon boot-up...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A fix was made to prevent division by zero in the setupdscconfig function. When sliceheight is 0, dividing by sliceheight in the calculation of the number of slices can lead to a division by zero, causing the...

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

In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port-lock when calling uarthandlectschange The uarthandlectschange function must be called with the port locked. Since we execute it in a separate thread, the lock might not be acquired at the time of...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: The network headers were pulled into gtpdevxmit. syzbot/KMSAN reported the use of uninitvalue in getdevxmit. 1 We must ensure that the IPv4 or IPv6 headers are pulled into skb-head before accessing fields within them. Use...

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

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Fixed illegal access in pppasyncencode. syzbot reported an issue with pppasyncencode. In this case, pppoesendmsg is called with a zero size. Then, pppasyncencode is called with an empty skb. BUG: KMSAN: Uninit-value in...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: RFCOMM: Fixed a possible deadlock in rfcommskstatechange. rfcommskstatechange attempts to use socklock, so it should never be called with it locked. However, rfcommsockioctl always attempts to lock it, causing the...

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/sctp: The issue of integer overflow during autoclose operations in sctpassociationinit has been addressed. By default, maxautoclose equals INTMAX / HZ. However, it is possible to set net.sctp.maxautoclose to UINTMAX. There is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed the overloading of the meaning of MEMUNINIT Lonial reported an issue with the BPF verifier, where the checkmemsizereg function contains the following code: c if !tnumisconstreg-varoff / For unprivileged variable...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: erofs: Properly handling NONHEAD !delta1 lclusters. The syzbot tool reported a warning in iomapiterdone: iomapfiemap+0x73b/0x9b0 fs/iomap/fiemap.c:80 ioctlfiemap fs/ioctl.c:220 inline Generally, NONHEAD lclusters will not have...

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 hang issue in nfsd4shutdowncallback. If nfs4client is in the courtesy state, there is no point in sending the callback. This causes nfsd4shutdowncallback to hang, as clcbinflight is not set to 0. This hang lasts...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Networking: dsa: mv88e6xxx: Fix –ENOENT when deleting VLANs and MST is not supported. Russell King reported that on version ZII dev rev B, deleting a bridge VLAN from a user port results in the error –ENOENT:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: wdm: the race between wdmopen and wdmwwanportstop has been eliminated. Clearing WDMWWANINUSE must be the last action; otherwise, we may open a device whose URBs User-Role-Based Services are still compromised...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: md: The mdstopwrites function is called in mdstop. From the link 1, we can see that raid1d was still running even after the path raiddtr - mdstop - mdstop. Let’s stop writing data first in the destructor, to align with the normal...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not redirect packets with invalid pktlen Syzbot identified an issue 1: the fqcodel Drop function attempts to drop a flow without any SKBs, that is, when flow-head is null. The root cause, as stated in 2, is that the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cpufreq: qcom: fix writes in read-only memory region This commit fixes a kernel error caused by a write operation in read-only memory: 9.068287 Unable to handle kernel write to read-only memory at virtual address ffff800009240ad8...