Astra Linux - Vulnerability in linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix lockdep splat in in6dumpaddrs As reported by syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller 0 Not tainted net/ipv6/addrconf.c:5175 suspicious...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afpacket: fixed vlangetprotocoldgram vs MSGPEEK The responsible commit forgot to handle the MSGPEEK case, resulting in a crash 1, as detected by syzbot. vlangetprotocoldgram was rewritten so that it does not touch the skb at...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38260)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38260 advisory. - In the Linux kernel, the following vulnerability has been resolved: btrfs: handle csum tree error with...

CVE-2023-54130 hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling

In the Linux kernel, the following vulnerability has been resolved: hfs/hfsplus: avoid WARNON for sanity check, use proper error handling Commit 55d1cbbbb29e "hfs/hfsplus: use WARNON for sanity check" fixed a build warning by turning a comment into a WARNON, but it turns out that syzbot then...

UBUNTU-CVE-2023-53781

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

CVE-2025-40223

In the Linux kernel, the following vulnerability has been resolved: most: usb: Fix use-after-free in hdmdisconnect hdmdisconnect calls mostderegisterinterface, which eventually unregisters the MOST interface device with deviceunregisteriface-dev. If that drops the last reference, the device core...

PT-2025-49087

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the mptcp pm del add timer function, which can lead to a race condition. Specifically, the function may call sk stop timer sync while another process ...

CVE-2025-40138

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid NULL pointer dereference in f2fscheckquotaconsistency syzbot reported a f2fs bug as below: Oops: gen 107.736417 T5848 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 ...

kernel: vxlan: check vxlan_vnigroup_init() return value

In the Linux kernel, the following vulnerability has been resolved: vxlan: check vxlanvnigroupinit return value vxlaninit must check vxlanvnigroupinit success otherwise a crash happens later, spotted by syzbot. Oops: general protection fault, probably for non-canonical address 0xdffffc000000002c:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989780)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989780 advisory. In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a b...

CVE-2023-53433

In the Linux kernel, the following vulnerability has been resolved: net: add vlangetprotocolanddepth helper Before blamed commit, pskbmaypull was used instead of skbheaderpointer in vlangetprotocol and friends. Few callers depended on skb-head being populated with MAC header, syzbot caught one of...

CVE-2023-53420

In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix panic about slab-out-of-bounds caused by ntfslistxattr Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in ntfslistea fs/ntfs3/xattr.c:191 inline BUG: KASAN: slab-out-of-bounds in ntfslistxattr+0x401/0x5...

CVE-2023-53312

In the Linux kernel, the following vulnerability has been resolved: net: fix netdevstartxmit trace event vs skbtransportoffset After blamed commit, we must be more careful about using skbtransportoffset, as reminded us by syzbot: WARNING: CPU: 0 PID: 10 at include/linux/skbuff.h:2868...

kernel: net: tun: Fix use-after-free in tun_detach()

A flaw was found in the Linux kernel's net: tun module. A use-after-free vulnerability exists in the tundetach function. An attacker with administrative root privileges could exploit this by causing a network structure to be prematurely released and then accessed, leading to a system crash denial...

DEBIAN-CVE-2022-49862

In the Linux kernel, the following vulnerability has been resolved: tipc: fix the msg-req tlv len check in tipcnlcompatnametabledumpheader This is a follow-up for commit 974cb0e3e7c9 "tipc: fix uninit-value in tipcnlcompatnametabledump" where it should have type casted sizeof.. to int to work whe...

DEBIAN-CVE-2022-49497

In the Linux kernel, the following vulnerability has been resolved: net: remove two BUG from skbchecksumhelp I have a syzbot report that managed to get a crash in skbchecksumhelp If syzbot can trigger these BUG, it makes sense to replace them with more friendly WARNONONCE since skbchecksumhelp ca...

DEBIAN-CVE-2024-53212

In the Linux kernel, the following vulnerability has been resolved: netlink: fix false positive warning in extack during dumps Commit under fixes extended extack reporting to dumps. It works under normal conditions, because extack errors are usually reported during -start or the first -dump, it's...

kernel: pvrusb2: fix use after free on context disconnection

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix use after free on context disconnection Upon module load, a kthread is created targeting the pvr2contextthreadfunc function, which may call pvr2contextdestroy and thus call kfree on the context object. However...

kernel: net: missing check virtio

In the Linux kernel, the following vulnerability has been resolved: net: missing check virtio Two missing check in virtionethdrtoskb allowed syzbot to crash kernels again 1. After the skbsegment function the buffer may become non-linear nrfrags != 0, but since the SKBTXSHAREDFRAG flag is not set...

DEBIAN-CVE-2021-47598

In the Linux kernel, the following vulnerability has been resolved: schcake: do not call cakedestroy from cakeinit qdiscs are not supposed to call their own destroy method from init, because core stack already does that. syzbot was able to trigger use after free: DEBUGLOCKSWARNONlock-magic != loc...