USN-6440-2

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Source
https://ubuntu.com/security/notices/USN-6440-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-6440-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6440-2
Related
  • CVE-2023-0597
  • CVE-2023-1206
  • CVE-2023-31083
  • CVE-2023-34319
  • CVE-2023-3772
  • CVE-2023-42752
  • CVE-2023-42753
  • CVE-2023-42755
  • CVE-2023-4622
  • CVE-2023-4623
  • CVE-2023-4881
  • CVE-2023-4921
Published
2023-10-20T12:33:28.211101Z
Modified
2023-10-20T12:33:28.211101Z
Summary
linux-azure vulnerabilities
Details

Seth Jenkins discovered that the Linux kernel did not properly perform address randomization for a per-cpu memory management structure. A local attacker could use this to expose sensitive information (kernel memory) or in conjunction with another kernel vulnerability. (CVE-2023-0597)

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service (excessive CPU consumption). (CVE-2023-1206)

Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-31083)

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service (host system crash) or possibly execute arbitrary code. (CVE-2023-34319)

Lin Ma discovered that the Netlink Transformation (XFRM) subsystem in the Linux kernel contained a null pointer dereference vulnerability in some situations. A local privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-3772)

Kyle Zeng discovered that the networking stack implementation in the Linux kernel did not properly validate skb object size in certain conditions. An attacker could use this cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42752)

Kyle Zeng discovered that the netfiler subsystem in the Linux kernel did not properly calculate array offsets, leading to a out-of-bounds write vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-42753)

Kyle Zeng discovered that the IPv4 Resource Reservation Protocol (RSVP) classifier implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). Please note that kernel packet classifier support for RSVP has been removed to resolve this vulnerability. (CVE-2023-42755)

Bing-Jhong Billy Jheng discovered that the Unix domain socket implementation in the Linux kernel contained a race condition in certain situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4622)

Budimir Markovic discovered that the qdisc implementation in the Linux kernel did not properly validate inner classes, leading to a use-after-free vulnerability. A local user could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4623)

Alex Birnberg discovered that the netfilter subsystem in the Linux kernel did not properly validate register length, leading to an out-of- bounds write vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-4881)

It was discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel did not properly handle network packets in certain conditions, leading to a use after free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4921)

References

Affected packages

Ubuntu:Pro:14.04:LTS / linux-azure

Package

Name
linux-azure

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1171.186~14.04.1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "linux-azure-tools-4.15.0-1171": "4.15.0-1171.186~14.04.1",
            "linux-signed-image-azure": "4.15.0.1171.137",
            "linux-cloud-tools-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1",
            "linux-azure-headers-4.15.0-1171": "4.15.0-1171.186~14.04.1",
            "linux-azure": "4.15.0.1171.137",
            "linux-image-unsigned-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1",
            "linux-modules-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1",
            "linux-modules-extra-azure": "4.15.0.1171.137",
            "linux-signed-azure": "4.15.0.1171.137",
            "linux-headers-azure": "4.15.0.1171.137",
            "linux-tools-azure": "4.15.0.1171.137",
            "linux-cloud-tools-azure": "4.15.0.1171.137",
            "linux-image-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1",
            "linux-headers-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1",
            "linux-azure-cloud-tools-4.15.0-1171": "4.15.0-1171.186~14.04.1",
            "linux-image-azure": "4.15.0.1171.137",
            "linux-modules-extra-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1",
            "linux-tools-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1",
            "linux-buildinfo-4.15.0-1171-azure": "4.15.0-1171.186~14.04.1"
        }
    ]
}