CVEvulnerability

CVE-2024-36971

7.8 HIGH Known exploited Published 2024-06-10 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Android Kernel Remote Code Execution Vulnerability — Android Kernel

Android contains an unspecified vulnerability in the kernel that allows for remote code execution. This vulnerability resides in Linux Kernel and could impact other products, including but not limited to Android OS.

Added to KEV
2024-08-07
Remediation due
2024-08-28
Ransomware use
Unknown
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://source.android.com/docs/security/bulletin/2024-08-01, https://lore.kernel.org/linux-cve-announce/[email protected]/T/#u ; https://nvd.nist.gov/vuln/detail/CVE-2024-36971
Status
Analyzed
Published
2024-06-10
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: net: fix __dst_negative_advice() race __dst_negative_advice() does not enforce proper RCU rules when sk->dst_cache must be cleared, leading to possible UAF. RCU rules are that we must first clear sk->sk_dst_cache, then call dst_release(old_dst). Note that sk_dst_reset(sk) is implementing this protocol correctly, while __dst_negative_advice() uses the wrong order. Given that ip6_negative_advice() has special logic against RTF_CACHE, this means each of the three ->negative_advice() existing methods must perform the sk_dst_reset() themselves. Note the check against NULL dst is centralized in __dst_negative_advice(), there is no need to duplicate it in various callbacks. Many thanks to Clement Lecigne for tracking this issue. This old bug became visible after the blamed commit, using UDP sockets.

Affected configurations

• debian debian linux 10.0 • linux linux kernel (>= 4.6 < 4.19.316) • linux linux kernel (>= 4.20 < 5.4.278) • linux linux kernel (>= 5.5 < 5.10.219) • linux linux kernel (>= 5.11 < 5.15.161) • linux linux kernel (>= 5.16 < 6.1.94) • linux linux kernel (>= 6.2 < 6.6.34) • linux linux kernel (>= 6.7 < 6.9.4)

Related

Weakness · CWE (1)

References