The remote Ubuntu 23.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6250-1 advisory.

  - On Ubuntu kernels carrying both c914c0e27eb0 and UBUNTU: SAUCE: overlayfs: Skip permission checking for     trusted.overlayfs.* xattrs, an unprivileged user may set privileged extended attributes on the mounted     files, leading them to be set on the upper files without the appropriate security checks. (CVE-2023-2640)

  - A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to     achieve local privilege escalation. The out-of-bounds write is caused by missing skb->cb initialization in     the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled. We recommend     upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e. (CVE-2023-3090)

  - Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()`     failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace     (CVE-2023-31248)

  - Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip     permission checks when calling ovl_do_setxattr on Ubuntu kernels (CVE-2023-32629)

  - A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for     accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This     issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root     privileges. (CVE-2023-3269)

  - A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local     privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a     hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59     (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for     5.15 stable). (CVE-2023-3389)

  - A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in     net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a     dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local     attacker with user access to cause a privilege escalation issue. We recommend upgrading past commit     1240eb93f0616b21c675416516ff3d74798fdc97. (CVE-2023-3390)

  - Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register     contents when CAP_NET_ADMIN is in any user or network namespace (CVE-2023-35001)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Ubuntu 23.04 : Linux kernel vulnerabilities (USN-6250-1)

high Nessus Plugin ID 178797

Version 1.5

Version 1.4

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.0

Version 1.5 Jan 10, 2024, 8:45 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401100845
Version 1.4 Dec 25, 2023, 2:08 PM CVSSv2 score source (changed from "CVE-2023-3389" to "CVE-2023-35001") Plugin Feed: 202312251408
Version 1.4 Jan 9, 2024, 6:56 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401091856
Version 1.3 Oct 23, 2023, 4:39 PM CVSSv2 score source (changed from "CVE-2023-35001" to "CVE-2023-3389") Plugin Feed: 202310231639
Version 1.2 Aug 28, 2023, 2:07 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:H/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:H/RL:O/RC:C") Exploit attributes ("Exploited by malware" set to "True") Plugin Feed: 202308281407
Version 1.1 Aug 23, 2023, 4:09 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:F/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C") Exploit attributes ("Exploit framework core" set to "True") Plugin Feed: 202308231609
Version 1.0 Jul 26, 2023, 8:08 AM New Plugin Feed: 202307260808