OESA-2023-1588 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connectio...

OESA-2023-1584 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connectio...

CLSA-2023-1693432495 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-4128 - net/sched: clsu32: No longer copy tcfresult on update to avoid use-after- free - net/sched: clsfw: No longer copy tcfresult on update to avoid use-after- free - net/sched: clsroute: No longer copy tcfresult on update to avoid use- after-free...

CLSA-2023-1693333992 Fix of 12 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-4128 - net/sched: clsu32: No longer copy tcfresult on update to avoid use-after- free - net/sched: clsfw: No longer copy tcfresult on update to avoid use-after- free - net/sched: clsroute: No longer copy tcfresult on update to avoid use- after-free...

SUSE CVE-2023-40283

An issue was discovered in l2capsockrelease in net/bluetooth/l2capsock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled...

kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c

A use-after-free flaw was found in the Linux kernel's implementation of logical link control and adaptation protocol L2CAP, part of the Bluetooth stack in the l2capconnect and l2capleconnectreq functions. An attacker with physical access within the range of standard Bluetooth transmission could...

CLSA-2023-1690287378 kernel: Fix of 28 CVEs

ALSA: pcm: Fix races among concurrent prealloc proc writes CVE-2022-1048 - ALSA: pcm: Fix races among concurrent prepare and hwparams/hwfree calls CVE-2022-1048 - ALSA: pcm: Fix races among concurrent read/write and buffer changes CVE-2022-1048 - ALSA: pcm: Fix races among concurrent hwparams and...

kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c

A use-after-free flaw was found in the Linux kernel’s L2CAP bluetooth functionality in how a user triggers a race condition by two malicious flows in the L2CAP bluetooth packets. This flaw allows a local or bluetooth connection user to crash the system or potentially escalate privileges...

kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c

A use-after-free flaw was found in the Linux kernel's implementation of logical link control and adaptation protocol L2CAP, part of the Bluetooth stack in the l2capconnect and l2capleconnectreq functions. An attacker with physical access within the range of standard Bluetooth transmission could...

PT-2023-4425 · Linux +9 · Linux Kernel +9

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.4.10 Description: The issue is related to the l2cap sock release function in the Linux kernel, specifically in the net/bluetooth/l2cap sock.c file. It involves a use-after-free error because the children of an...

CLSA-2023-1686651204 kernel: Fix of 25 CVEs

cgroup: Use open-time cgroup namespace for process migration perm checks CVE-2021-4197 - cgroup: Use open-time credentials for process migraton perm checks CVE-2021-4197 - vt: drop old FONT ioctls CVE-2021-33656 - fbmem: Check virtual screen sizes in fbsetvar CVE-2021-33655 - fbcon: Prevent that...

kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c

A use-after-free flaw was found in the Linux kernel's implementation of logical link control and adaptation protocol L2CAP, part of the Bluetooth stack in the l2capconnect and l2capleconnectreq functions. An attacker with physical access within the range of standard Bluetooth transmission could...

EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2023-2020)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Linux kernel's implementation of RDMA over infiniband. An attacker with a privileged local account can le...

PT-2025-18625 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak has been identified in the Linux kernel's Bluetooth L2CAP implementation. The issue arises when the HCI core processes ACL data packets without freeing the skb,...

CLSA-2023-1683146027 kernel: Fix of 23 CVEs

media: rc: Fix use-after-free bugs caused by enetxirqsim CVE-2023-1118 - net: mpls: fix stale pointer if allocation fails during device rename CVE-2023-26545 - net/ulp: prevent ULP without clone op from entering the LISTEN status CVE-2023-0461 - Bluetooth: L2CAP: Fix u8 overflow CVE-2022-45934 -...

CLSA-2023-1682605601 Fix of 53 CVEs

CVE-2022-1198 - drivers: hamradio: 6pack: fix UAF bug caused by modtimer Bionic update: upstream stable patchset 2022-03-04 LP: 1963717 // CVE-2020-36516 - ipv4: avoid using shared IP generator for connected sockets CVE-2022-36879 - xfrm: xfrmpolicy: fix a possible double xfrmpolsput in...

CLSA-2023-1682604577 Fix of 53 CVEs

CVE-2022-1198 - drivers: hamradio: 6pack: fix UAF bug caused by modtimer Bionic update: upstream stable patchset 2022-03-04 LP: 1963717 // CVE-2020-36516 - ipv4: avoid using shared IP generator for connected sockets CVE-2022-36879 - xfrm: xfrmpolicy: fix a possible double xfrmpolsput in...

kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c

A use-after-free flaw was found in the Linux kernel’s L2CAP bluetooth functionality in how a user triggers a race condition by two malicious flows in the L2CAP bluetooth packets. This flaw allows a local or bluetooth connection user to crash the system or potentially escalate privileges...

LSN-0092-1: Kernel Live Patch Security Notice

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code.CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

USN-5927-1: Linux kernel (Azure) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...