Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a Bluetooth L2CAP protocol post-release reuse issue in l2capconnect...

SUSE-SU-2024:3499-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-48791: Fix use-after-free for aborted TMF sastask bsc1228002 - CVE-2024-44947: Initialize beyond-EOF page contents before setting uptodate bsc1229454. -...

SUSE-SU-2024:3408-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-41062: Sync sock recv cb and release bsc1228576. - CVE-2024-44947: Initialize beyond-EOF page contents before setting uptodate bsc1229454. - CVE-2024-43883:...

SUSE-SU-2024:3249-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-44947: Initialize beyond-EOF page contents before setting uptodate bsc1229454. - CVE-2022-48919: Fix double free race when mount fails in cifsgetroot...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.334.6.el7 - loop: Fix a race between loop detach and loop open Gulam Mohamed Orabug: 36197800 - x86/bhi: Do not enable unnecessary BHI mitigation in OCI and Exadata VMs Alexandre Chartre Orabug: 36672495 - x86/bhi: Avoid warning in DB handler due to BHI mitigation Alexandre Chartre...

SUSE CVE-2024-41062

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

CVE-2024-41062

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

CVE-2024-41062 bluetooth/l2cap: sync sock recv cb and release

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

PT-2024-7594

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue occurs between the system call to close the sock and hci rx work, where the former releases the sock and the latter accesses it without lock protection. This can lead to a work...

SUSE CVE-2024-36968

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix div-by-zero in l2capleflowctlinit l2capleflowctlinit can cause both div-by-zero and an integer overflow since hdev-lemtu may not fall in the valid range. Move MTU from hcidev to hciconn to validate MTU and...

DEBIAN-CVE-2024-36968

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix div-by-zero in l2capleflowctlinit l2capleflowctlinit can cause both div-by-zero and an integer overflow since hdev-lemtu may not fall in the valid range. Move MTU from hcidev to hciconn to validate MTU and...

CVE-2024-36968

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix div-by-zero in l2capleflowctlinit l2capleflowctlinit can cause both div-by-zero and an integer overflow since hdev-lemtu may not fall in the valid range. Move MTU from hcidev to hciconn to validate MTU and...

UBUNTU-CVE-2024-36968

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix div-by-zero in l2capleflowctlinit l2capleflowctlinit can cause both div-by-zero and an integer overflow since hdev-lemtu may not fall in the valid range. Move MTU from hcidev to hciconn to validate MTU and...

DEBIAN-CVE-2024-36013

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free in l2capconnect Extend a critical section to prevent chan from early freeing. Also make the l2capconnect return type void. Nothing is using the returned value but it is ugly to return a...

CVE-2024-36013

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free in l2capconnect Extend a critical section to prevent chan from early freeing. Also make the l2capconnect return type void. Nothing is using the returned value but it is ugly to return a...

CVE-2024-35965 Bluetooth: L2CAP: Fix not validating setsockopt user input

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix not validating setsockopt user input Check user input length before copying data...

DEBIAN-CVE-2024-27399

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: fix null-ptr-deref in l2capchantimeout There is a race condition between l2capchantimeout and l2capchandel. When we use l2capchandel to delete the channel, the chan-conn will be set to null. But the conn could b...

UBUNTU-CVE-2024-27399

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: fix null-ptr-deref in l2capchantimeout There is a race condition between l2capchantimeout and l2capchandel. When we use l2capchandel to delete the channel, the chan-conn will be set to null. But the conn could b...

CVE-2024-27399

CVE-2024-27399 affects the Linux kernel Bluetooth stack (l2cap). It is caused by a race between l2cap_chan_timeout() and l2cap_chan_del(), where deleting a channel can set chan->conn to NULL but a dereference may occur in mutex_lock() inside l2cap_chan_timeout(), leading to a NULL pointer dere...

kernel: Bluetooth: L2CAP: Fix u8 overflow

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix u8 overflow By keep sending L2CAPCONFREQ packets, chan-numconfrsp increases multiple times and eventually it will wrap around the maximum number i.e., 255. This patch prevents this by adding a boundary check...