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7.1
HIGH CVSS 3.1
CVE-2023-52504
x86/alternatives: Disable KASAN in apply_alternatives()
Description

In the Linux kernel, the following vulnerability has been resolved: x86/alternatives: Disable KASAN in apply_alternatives() Fei has reported that KASAN triggers during apply_alternatives() on a 5-level paging machine: BUG: KASAN: out-of-bounds in rcu_is_watching() Read of size 4 at addr ff110003ee6419a0 by task swapper/0/0 ... __asan_load4() rcu_is_watching() trace_hardirqs_on() text_poke_early() apply_alternatives() ... On machines with 5-level paging, cpu_feature_enabled(X86_FEATURE_LA57) gets patched. It includes KASAN code, where KASAN_SHADOW_START depends on __VIRTUAL_MASK_SHIFT, which is defined with cpu_feature_enabled(). KASAN gets confused when apply_alternatives() patches the KASAN_SHADOW_START users. A test patch that makes KASAN_SHADOW_START static, by replacing __VIRTUAL_MASK_SHIFT with 56, works around the issue. Fix it for real by disabling KASAN while the kernel is patching alternatives. [ mingo: updated the changelog ]

INFO

Published Date :

March 2, 2024, 10:15 p.m.

Last Modified :

Dec. 11, 2024, 3:05 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-52504 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
The Linux kernel has a vulnerability; update the kernel to resolve the issue.
  • Update the Linux kernel to a patched version.
  • Reboot the system after the update.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-52504.

URL Resource
https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae Patch
https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1 Patch
https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b Patch
https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e Patch
https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4 Patch
https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61 Patch
https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc Patch
https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae Patch
https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1 Patch
https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b Patch
https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e Patch
https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4 Patch
https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61 Patch
https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-52504 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-52504 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-52504 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-52504 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 11, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.17 up to (excluding) 4.19.297 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.270 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.199 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.136 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.59 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.5.8 *cpe:2.3:o:linux:linux_kernel:6.6:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.6:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.6:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.6:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.6:rc5:*:*:*:*:*:*
    Changed Reference Type https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae No Types Assigned https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae Patch
    Changed Reference Type https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae No Types Assigned https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae Patch
    Changed Reference Type https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1 No Types Assigned https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1 Patch
    Changed Reference Type https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1 No Types Assigned https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1 Patch
    Changed Reference Type https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b No Types Assigned https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b Patch
    Changed Reference Type https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b No Types Assigned https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b Patch
    Changed Reference Type https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e No Types Assigned https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e Patch
    Changed Reference Type https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e No Types Assigned https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e Patch
    Changed Reference Type https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4 No Types Assigned https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4 Patch
    Changed Reference Type https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4 No Types Assigned https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4 Patch
    Changed Reference Type https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61 No Types Assigned https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61 Patch
    Changed Reference Type https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61 No Types Assigned https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61 Patch
    Changed Reference Type https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc No Types Assigned https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc Patch
    Changed Reference Type https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc No Types Assigned https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae
    Added Reference https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1
    Added Reference https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b
    Added Reference https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e
    Added Reference https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4
    Added Reference https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61
    Added Reference https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Mar. 02, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: x86/alternatives: Disable KASAN in apply_alternatives() Fei has reported that KASAN triggers during apply_alternatives() on a 5-level paging machine: BUG: KASAN: out-of-bounds in rcu_is_watching() Read of size 4 at addr ff110003ee6419a0 by task swapper/0/0 ... __asan_load4() rcu_is_watching() trace_hardirqs_on() text_poke_early() apply_alternatives() ... On machines with 5-level paging, cpu_feature_enabled(X86_FEATURE_LA57) gets patched. It includes KASAN code, where KASAN_SHADOW_START depends on __VIRTUAL_MASK_SHIFT, which is defined with cpu_feature_enabled(). KASAN gets confused when apply_alternatives() patches the KASAN_SHADOW_START users. A test patch that makes KASAN_SHADOW_START static, by replacing __VIRTUAL_MASK_SHIFT with 56, works around the issue. Fix it for real by disabling KASAN while the kernel is patching alternatives. [ mingo: updated the changelog ]
    Added Reference Linux https://git.kernel.org/stable/c/3719d3c36aa853d5a2401af9f8d6b116c91ad5ae [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/3770c38cd6a60494da29ac2da73ff8156440a2d1 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/6788b10620ca6e98575d1e06e72a8974aad7657e [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/ecba5afe86f30605eb9dfb7f265a8de0218d4cfc [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/5b784489c8158518bf7a466bb3cc045b0fb66b4b [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/cd287cc208dfe6bd6da98e7f88e723209242c9b4 [No types assigned]
    Added Reference Linux https://git.kernel.org/stable/c/d35652a5fc9944784f6f50a5c979518ff8dacf61 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact