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Review reviewHigh

CVE-2024-50128

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: net: wwan: fix global oob in wwan_rtnl_policy The variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to a global out-of-bounds read when parsing the netlink attributes. Exactly same bug cause as the oob fixed in commit b33fb5b801c6 ("net: qualcomm: rmnet: fix global oob in rmnet_policy"). ================================================================== BUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline] BUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr....

CVSS
7.1
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.11.06
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: net: wwan: fix global oob in wwan_rtnl_policy The variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to a global out-of-bounds read when parsing the netlink attributes. Exactly same bug cause as the oob fixed in commit b33fb5b801c6 ("net: qualcomm: rmnet: fix global oob in rmnet_policy"). ================================================================== BUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline] BUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr....

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 88b710532e53de2466d1033fb1d5125aabf3215a < c9a0aed51977198df005d0a623090e38e2d77d7b, >= 88b710532e53de2466d1033fb1d5125aabf3215a < 9683804e36668f6093fb06e202eed2f188ba437e, >= 88b710532e53de2466d1033fb1d5125aabf3215a < 69076f8435c1c5dae5f814eaf4c361d1f00b22a3, >= 88b710532e53de2466d1033fb1d5125aabf3215a < a3ffce63dcc0c208edd4d196e17baed22ebcb643, >= 88b710532e53de2466d1033fb1d5125aabf3215a < 47dd5447cab8ce30a847a0337d5341ae4c7476a7, >= 5.14, >= 5.14 < 5.15.170, >= 5.16 < 6.1.115, >= 6.2 < 6.6.59, >= 6.7 < 6.11.6, 6.12
Fixed versions
5.15.170, 6.1.115, 6.6.59, 6.11.6

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-125
CVE-2024-50128 — Linux Linux, linux kernel | SECUFOCUS NOW