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 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 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 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...

SUSE CVE-2008-4681

Unspecified vulnerability in the Bluetooth RFCOMM dissector in Wireshark 0.99.7 through 1.0.3 allows remote attackers to cause a denial of service application crash or abort via unknown packets...

SUSE CVE-2015-8956

The rfcommsockbind function in net/bluetooth/rfcomm/sock.c in the Linux kernel before 4.2 allows local users to obtain sensitive information or cause a denial of service NULL pointer dereference via vectors involving a bind system call on a Bluetooth RFCOMM socket...

SUSE CVE-2017-9344

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the Bluetooth L2CAP dissector could divide by zero. This was addressed in epan/dissectors/packet-btl2cap.c by validating an interval value...

SUSE CVE-2019-11884

The dohidpsockioctl function in net/bluetooth/hidp/sock.c in the Linux kernel before 5.0.15 allows a local user to obtain potentially sensitive information from kernel stack memory via a HIDPCONNADD command, because a name field may not end with a '\0' character...

USN-5830-1 linux-azure, linux-azure-5.4, linux-raspi2 vulnerabilities

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 system crash or possibly execute arbitrary code. CVE-2022-43945 Tamás Koczka discovered that th...

CVE-2022-20468

In BNEPConnectResp of bnepapi.cc, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions:...

OESA-2022-2130 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: An incorrect TLB flush issue was found in the Linux kernel?s GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could allow a local user to crash the system or escalate their privileg...

PT-2022-36096 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.8 Description: A memory leak issue was discovered in the L2CAP component of the Bluetooth protocol. The issue is related to the vhci write function. The actual impact and attack plausibility have not yet be...

PT-2022-36244 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions 5.15.59 through 5.15.77 Description: A use-after-free issue exists in the l2cap conn del function of the Bluetooth L2CAP protocol. The actual impact and attack plausibility have not yet been proven. Recommendations: For...

PT-2022-36442 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions 3.6 through 5.4.223 Description: A use-after-free issue was discovered in the L2CAP Logical Link Control and Adaptation Protocol component of the Bluetooth protocol. This issue is related to the l2cap reassemble sdu...

PT-2022-36245 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.78 Description: A use-after-free issue was identified in the L2CAP Logical Link Control and Adaptation Protocol component of the Bluetooth protocol. This issue was introduced in version v3.6 and was fixed ...

UBUNTU-CVE-2022-45934

An issue was discovered in the Linux kernel through 6.0.10. l2capconfigreq in net/bluetooth/l2capcore.c has an integer wraparound via L2CAPCONFREQ packets...

UBUNTU-CVE-2022-42895

There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2capcore.c's l2capparseconfreq function which can be used to leak kernel pointers remotely. We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e...

PT-2022-35495 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.150 Description: The issue is related to the Bluetooth L2CAP protocol in the Linux Kernel. It involves the initialization of delayed works at l2cap chan create. The actual impact and attack plausibility ha...

PT-2022-35288 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.75 Description: The issue is related to the Bluetooth L2CAP protocol in the Linux Kernel. It involves the initialization of delayed works at the l2cap chan create function. The actual impact and attack...

PT-2022-35642 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.4.220 Description: The issue is related to the Bluetooth L2CAP protocol in the Linux Kernel. It involves the initialization of delayed works at the l2cap chan create function. The actual impact and attack...