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FKIE_CVE-2023-1476

Vulnerability from fkie_nvd - Published: 2023-11-03 09:15 - Updated: 2026-06-17 05:28
Severity
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2023:1659Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-1476Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2176035Issue Tracking
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:1659Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-1476Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2176035Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2Mailing List, Patch
Impacted products
Vendor Product Version
linux linux_kernel *
redhat enterprise_linux 8.0
redhat enterprise_linux_eus 8.8
redhat enterprise_linux_for_power_little_endian 8.0_ppc64le
redhat enterprise_linux_for_power_little_endian_eus 8.8_ppc64le
redhat enterprise_linux_server_tus 8.8
To clipboard 

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  "lastModified": "2026-06-17T05:28:02.947",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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