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CVE-2022-45934

Status Candidate

Overview

An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.

Related Files

Ubuntu Security Notice USN-5918-1
Posted Mar 6, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5918-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3628, CVE-2022-3640, CVE-2022-3643, CVE-2022-3649, CVE-2022-41849, CVE-2022-41850, CVE-2022-42895, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934, CVE-2023-20928
SHA-256 | fe9d774b2a1b83bc9a5d670d7c1f5f7d626e82fb02c2fdc23e43a368a702bda0
Ubuntu Security Notice USN-5914-1
Posted Mar 3, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5914-1 - It was discovered that the Upper Level Protocol 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 or possibly execute arbitrary code. It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2022-3567, CVE-2022-42896, CVE-2022-4379, CVE-2022-43945, CVE-2022-45934, CVE-2022-47520, CVE-2023-0045, CVE-2023-0461, CVE-2023-0469
SHA-256 | 7a3e5bb9a288f64e32ff37d607eb3152aeddb2711c706f5e1fa6cd1865b36907
Ubuntu Security Notice USN-5879-1
Posted Feb 16, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5879-1 - 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 or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3619, CVE-2022-3628, CVE-2022-3640, CVE-2022-3643, CVE-2022-42895, CVE-2022-42896, CVE-2022-4378, CVE-2022-45934, CVE-2023-0590
SHA-256 | 46a1d05bd627a0c52a047b461aeac8ecd3fd54aa2c39e2976eea7e3dd05405ec
Ubuntu Security Notice USN-5875-1
Posted Feb 16, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5875-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3628, CVE-2022-3640, CVE-2022-3643, CVE-2022-3649, CVE-2022-41849, CVE-2022-41850, CVE-2022-42895, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934, CVE-2023-20928
SHA-256 | 5144aea7e759431b262bdae7951064a9252ab627cb36ca751f44cd28c8f90188
Ubuntu Security Notice USN-5860-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5860-1 - 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 or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3543, CVE-2022-3619, CVE-2022-3623, CVE-2022-3628, CVE-2022-3640, CVE-2022-3643, CVE-2022-41849, CVE-2022-41850, CVE-2022-42895, CVE-2022-42896, CVE-2022-4378, CVE-2022-45934, CVE-2022-47940, CVE-2023-0590
SHA-256 | ddfdd9987ae627c84773cb27f52fc662daaa72f400184df374fa400b21d58d13
Ubuntu Security Notice USN-5863-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5863-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | a6bf566d40808c8a3ee6f31220f77a9b9f80194ceb2190c1da740e6f0679c487
Ubuntu Security Notice USN-5858-1
Posted Feb 10, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5858-1 - Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Netronome Ethernet driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-3545, CVE-2022-42895, CVE-2022-45934, CVE-2023-0179
SHA-256 | 5f05eb08ca982c765b038c8ff34ba022dc6c769e12eb23f7f5bc01dc292fe43f
Ubuntu Security Notice USN-5832-1
Posted Jan 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5832-1 - 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 or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-4378, CVE-2022-45934
SHA-256 | b242d051794285ce6fb5ea0e2560337d6d70a05108712a3794e5a8724e9960af
Ubuntu Security Notice USN-5831-1
Posted Jan 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5831-1 - 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 or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-4378, CVE-2022-45934
SHA-256 | b293ed3b171badbd869822b922ca5fe2bc5f7cdd18d474068ad2b6b97a51bc5f
Ubuntu Security Notice USN-5830-1
Posted Jan 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5830-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | 6e68f50f18b8299b6053e750db628304a61fb6f1ccf4186312d8814b9ac32cfd
Ubuntu Security Notice USN-5829-1
Posted Jan 26, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5829-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | aad823e9a2aa345a90ba89b0bbadac4b45a7aad04940b487e28febdc9f15b3ff
Debian Security Advisory 5324-1
Posted Jan 24, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5324-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2022-2873, CVE-2022-3545, CVE-2022-3623, CVE-2022-36280, CVE-2022-41218, CVE-2022-45934, CVE-2022-4696, CVE-2022-47929, CVE-2023-0179, CVE-2023-0266, CVE-2023-0394, CVE-2023-23454, CVE-2023-23455
SHA-256 | 4738a5dd5b6f53a56ab15c9bc642f4b021b4a873119259aea80dd67e167ed354
Ubuntu Security Notice USN-5814-1
Posted Jan 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5814-1 - 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 or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-4378, CVE-2022-45934
SHA-256 | dbfe665f3a1513799bf58ebfb34bae00253cc650f33bcb40256da98c77f5d57d
Ubuntu Security Notice USN-5813-1
Posted Jan 20, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5813-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | c8585d9310f20472858a349154e922f465a23afb78b9d227cd2a5767b334c7ee
Ubuntu Security Notice USN-5809-1
Posted Jan 18, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5809-1 - 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 or execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-42896, CVE-2022-4378, CVE-2022-45934
SHA-256 | 9c7806fd2b27e8bf93c0572476e6a6a7bfd1fc39e41c523db32a80f8b535e96e
Ubuntu Security Notice USN-5808-1
Posted Jan 18, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5808-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | cc4443f00c1b80d3578f83459d2dcc84a73bd15607e61dc8a6a55c30a1f95a47
Ubuntu Security Notice USN-5804-2
Posted Jan 17, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5804-2 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | 432e44d00c7370626def9020ff038a803fee945c7cfa7c1e5694ed4a2e964793
Ubuntu Security Notice USN-5804-1
Posted Jan 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5804-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamas Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | eaaf2b382821a29f0cd1289ad47e022031258f5e6b7b5ad1a6f618862dfb5a67
Ubuntu Security Notice USN-5803-1
Posted Jan 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5803-1 - 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 or execute arbitrary code. Tamas Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-4378, CVE-2022-45934
SHA-256 | 4a901d23fe04ca230ee9b786ae58b58154f66077be0ff2e81efffbae06b991af
Ubuntu Security Notice USN-5802-1
Posted Jan 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5802-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | 34428fdea7c82ae5cc1b2570fe09a946f45222b5e8de50755c8c2bd32c0ca4ff
Ubuntu Security Notice USN-5794-1
Posted Jan 9, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5794-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934
SHA-256 | f94cebf0ea6c3ab3da6d1994df82f1a6cfce5dea6344042ba9c85491090964a9
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