RLSA-2024:4211 Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack CVE-2020-26555 kernel: TCP-spoofed ghost ACKs and leak leak initial sequence number...

kernel security and bug fix update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

kernel: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr

This CVE addresses a race condition in the Linux kernel's IPv6 subsystem, specifically between the ipv6getifaddr and ipv6deladdr functions. This race condition can lead to use-after-free scenarios, potentially causing system instability or crashes...

RHEL 9 : kernel (RHSA-2024:4533)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:4533 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: TIPC message reassembly...

Rocky Linux 8 : kernel (RLSA-2024:4211)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:4211 advisory. kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack CVE-2020-26555 kernel: TCP-spoofed ghost ACKs and leak leak...

Rocky Linux 9 : kernel (RLSA-2024:4349)

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:4349 advisory. kernel: net/mlx5e: Fix operation precedence bug in port timestamping napipoll context CVE-2023-52626 kernel: Bluetooth: Avoid potential use-after-free i...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6898-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6898-1 advisory. Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointe...

USN-6896-1: Linux kernel vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the Atheros 802.11ac...

DEBIAN-CVE-2024-40961

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

CVE-2024-40961

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

CVE-2024-40905

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...

CVE-2024-40905

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...

CVE-2024-40961

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

CVE-2024-40961 ipv6: prevent possible NULL deref in fib6_nh_init()

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

CVE-2024-40961

CVE-2024-40961 affects the Linux kernel IPv6 route handling. The issue is a NULL dereference in fib6_nh_init() when in6_dev_get(dev) returns NULL, which can trigger a general protection fault during IP6 GW validation and route lookup (ip6_validate_gw, ip6_route_check_nh). Affected code path: fib6...

CVE-2024-40961 ipv6: prevent possible NULL deref in fib6_nh_init()

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

CVE-2024-40961 ipv6: prevent possible NULL deref in fib6_nh_init()

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

CVE-2024-40961

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

CVE-2024-40960 ipv6: prevent possible NULL dereference in rt6_probe()

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL dereference in rt6probe syzbot caught a NULL dereference in rt6probe 1 Bail out if in6devget returns NULL. 1 Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 ...

CVE-2024-40959

The CVE-2024-40959 entry concerns a Linux kernel issue where ip6_dst_idev() can return NULL, and xfrm6_get_saddr() must handle that, otherwise a NULL pointer dereference may occur. The vulnerability arises in xfrm6_policy.c (xfrm6_get_saddr) and could lead to denial of service via a kernel NULL d...