CVE-2023-52878 can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds

2024-05-2115:32:10

Linux

www.cve.org

linux kernel

can_priv

echo_skb

out of bounds access

fix

kernel crash

6.4 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.7%

JSON

In the Linux kernel, the following vulnerability has been resolved:

can: dev: can_put_echo_skb(): don’t crash kernel if can_priv::echo_skb is accessed out of bounds

If the “struct can_priv::echoo_skb” is accessed out of bounds, this
would cause a kernel crash. Instead, issue a meaningful warning
message and return with an error.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/can/dev/skb.c"
    ],
    "versions": [
      {
        "version": "a6e4bc530403",
        "lessThan": "826120c9ba68",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6e4bc530403",
        "lessThan": "0d30931f1fa0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6e4bc530403",
        "lessThan": "53c468008a7c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6e4bc530403",
        "lessThan": "8ab67da06015",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6e4bc530403",
        "lessThan": "6411959c10fe",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/can/dev/skb.c"
    ],
    "versions": [
      {
        "version": "2.6.33",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.33",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.139",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.63",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.5.12",
        "lessThanOrEqual": "6.5.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.2",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]