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...

SUSE CVE-2024-24858

A race condition was found in the Linux kernel's net/bluetooth in conn,advmin,maxintervalset function. This can result in I2cap connection or broadcast abnormality issue, possibly leading to denial of service...

kernel security update

5.14.0-362.18.0.13.OL9 - nfp: fix use-after-free in areacacheget Jialiang Wang CVE-2022-3545 - drivers: net: slip: fix NPD bug in sltxtimeout Duoming Zhou CVE-2022-41858 - can: afcan: fix NULL pointer dereference in canrcvfilter Oliver Hartkopp CVE-2023-2166 - RDMA/core: Fix resolvepreparesrc...

CLSA-2024-1705496067 kernel: Fix of 13 CVEs

Bluetooth: L2CAP: Fix use-after-free in l2capsockreadycb CVE-2023-40283 - ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet CVE-2023-6932 - smb: client: fix OOB in smbCalcSize CVE-2023-6606 - net/sched: schhfsc: Ensure inner classes have fsc curve CVE-2023-4623 - net/sched: clsfw:...

CLSA-2024-1705494763 kernel: Fix of 13 CVEs

Bluetooth: L2CAP: Fix use-after-free in l2capsockreadycb CVE-2023-40283 - ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet CVE-2023-6932 - smb: client: fix OOB in smbCalcSize CVE-2023-6606 - net/sched: schhfsc: Ensure inner classes have fsc curve CVE-2023-4623 - net/sched: clsfw:...

CLSA-2024-1705494430 kernel: Fix of 13 CVEs

Bluetooth: L2CAP: Fix use-after-free in l2capsockreadycb CVE-2023-40283 - ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet CVE-2023-6932 - smb: client: fix OOB in smbCalcSize CVE-2023-6606 - net/sched: schhfsc: Ensure inner classes have fsc curve CVE-2023-4623 - net/sched: clsfw:...

CLSA-2023-1695716575 kernel: Fix of 25 CVEs

xen/xenbus: don't let xenbusgrantring remove grants in error case CVE-2022-23040 - xen/xenbus: Fix granting of vmalloc'd memory - xen/blkfront: don't use gnttabqueryforeignaccess for mapped status CVE-2022-23036 - xen/grant-table: add gnttabtryendforeignaccess CVE-2022-23036 - xen/blkfront: don't...

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...