CVE-2023-1476

    Dashboard / Vulnerabilities / CVE-2023-1476

    CVE-2023-1476

    Published: 3 Nov 2023Last Modified: 11 Feb 2026

    Summary:

    Details: 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: https://access.redhat.com/errata/RHSA-2023:1659, https://access.redhat.com/security/cve/CVE-2023-1476, https://bugzilla.redhat.com/show_bug.cgi?id=2176035, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -97113eb39fa7972722ff490b947d8af023e1f6a2

    Affected versions

    v2.6.12
    v2.6.12-rc2
    v2.6.12-rc3
    v2.6.12-rc4
    v2.6.12-rc5
    v2.6.12-rc6
    v2.6.13
    v2.6.13-rc1
    v2.6.13-rc2
    v2.6.13-rc3
    v2.6.13-rc4
    v2.6.13-rc5
    v2.6.13-rc6
    v2.6.13-rc7
    v2.6.14
    v2.6.14-rc1
    v2.6.14-rc2
    v2.6.14-rc3
    v2.6.14-rc4
    v2.6.14-rc5
    v2.6.15
    v2.6.15-rc1
    v2.6.15-rc2
    v2.6.15-rc3
    v2.6.15-rc4
    v2.6.15-rc5
    v2.6.15-rc6
    v2.6.15-rc7
    v2.6.16
    v2.6.16-rc1
    v2.6.16-rc2
    v2.6.16-rc3
    v2.6.16-rc4
    v2.6.16-rc5
    v2.6.16-rc6
    v2.6.17
    v2.6.17-rc1
    v2.6.17-rc2
    v2.6.17-rc3
    v2.6.17-rc4
    v2.6.17-rc5
    v2.6.17-rc6
    v2.6.18
    v2.6.18-rc1
    v2.6.18-rc2
    v2.6.18-rc3
    v2.6.18-rc4
    v2.6.18-rc5
    v2.6.18-rc6
    v2.6.18-rc7
    v2.6.19
    v2.6.19-rc1
    v2.6.19-rc2
    v2.6.19-rc3
    v2.6.19-rc4
    v2.6.19-rc5
    v2.6.19-rc6
    v2.6.20
    v2.6.20-rc1
    v2.6.20-rc2
    v2.6.20-rc3
    v2.6.20-rc4
    v2.6.20-rc5
    v2.6.20-rc6
    v2.6.20-rc7
    v2.6.21
    v2.6.21-rc1
    v2.6.21-rc2
    v2.6.21-rc3
    v2.6.21-rc4
    v2.6.21-rc5
    v2.6.21-rc6
    v2.6.21-rc7
    v2.6.22
    v2.6.22-rc1
    v2.6.22-rc2
    v2.6.22-rc3
    v2.6.22-rc4
    v2.6.22-rc5
    v2.6.22-rc6
    v2.6.22-rc7
    v2.6.23
    v2.6.23-rc1
    v2.6.23-rc2
    v2.6.23-rc3
    v2.6.23-rc4
    v2.6.23-rc5
    v2.6.23-rc6
    v2.6.23-rc7
    v2.6.23-rc8
    v2.6.23-rc9
    v2.6.24
    v2.6.24-rc1
    v2.6.24-rc2
    v2.6.24-rc3
    v2.6.24-rc4
    v2.6.24-rc5
    v2.6.24-rc6
    v2.6.24-rc7
    v2.6.24-rc8
    v2.6.25
    v2.6.25-rc1
    v2.6.25-rc2
    v2.6.25-rc3
    v2.6.25-rc4
    v2.6.25-rc5
    v2.6.25-rc6
    v2.6.25-rc7
    v2.6.25-rc8
    v2.6.25-rc9
    v2.6.26
    v2.6.26-rc1
    v2.6.26-rc2
    v2.6.26-rc3
    v2.6.26-rc4
    v2.6.26-rc5
    v2.6.26-rc6
    v2.6.26-rc7
    v2.6.26-rc8
    v2.6.26-rc9
    v2.6.27
    v2.6.27-rc1
    v2.6.27-rc2
    v2.6.27-rc3
    v2.6.27-rc4
    v2.6.27-rc5
    v2.6.27-rc6
    v2.6.27-rc7
    v2.6.27-rc8
    v2.6.27-rc9
    v2.6.28
    v2.6.28-rc1
    v2.6.28-rc2
    v2.6.28-rc3
    v2.6.28-rc4
    v2.6.28-rc5
    v2.6.28-rc6
    v2.6.28-rc7
    v2.6.28-rc8
    v2.6.28-rc9
    v2.6.29
    v2.6.29-rc1
    v2.6.29-rc2
    v2.6.29-rc3
    v2.6.29-rc4
    v2.6.29-rc5
    v2.6.29-rc6
    v2.6.29-rc7
    v2.6.29-rc8
    v2.6.30
    v2.6.30-rc1
    v2.6.30-rc2
    v2.6.30-rc3
    v2.6.30-rc4
    v2.6.30-rc5
    v2.6.30-rc6
    v2.6.30-rc7
    v2.6.30-rc8
    v2.6.31
    v2.6.31-rc1
    v2.6.31-rc2
    v2.6.31-rc3
    v2.6.31-rc4
    v2.6.31-rc5
    v2.6.31-rc6
    v2.6.31-rc7
    v2.6.31-rc8
    v2.6.31-rc9
    v2.6.32
    v2.6.32-rc1
    v2.6.32-rc2
    v2.6.32-rc3
    v2.6.32-rc4
    v2.6.32-rc5
    v2.6.32-rc6
    v2.6.32-rc7
    v2.6.32-rc8
    v2.6.33
    v2.6.33-rc1
    v2.6.33-rc2
    v2.6.33-rc3
    v2.6.33-rc4
    v2.6.33-rc5
    v2.6.33-rc6
    v2.6.33-rc7
    v2.6.33-rc8
    v2.6.34
    v2.6.34-rc1
    v2.6.34-rc2
    v2.6.34-rc3
    v2.6.34-rc4
    v2.6.34-rc5
    v2.6.34-rc6
    v2.6.34-rc7
    v2.6.35
    v2.6.35-rc1
    v2.6.35-rc2
    v2.6.35-rc3
    v2.6.35-rc4
    v2.6.35-rc5
    v2.6.35-rc6
    v2.6.36
    v2.6.36-rc1
    v2.6.36-rc2
    v2.6.36-rc3
    v2.6.36-rc4
    v2.6.36-rc5
    v2.6.36-rc6
    v2.6.36-rc7
    v2.6.36-rc8
    v2.6.37
    v2.6.37-rc1
    v2.6.37-rc2
    v2.6.37-rc3
    v2.6.37-rc4
    v2.6.37-rc5
    v2.6.37-rc6
    v2.6.37-rc7
    v2.6.37-rc8
    v2.6.38
    v2.6.38-rc1
    v2.6.38-rc2
    v2.6.38-rc3
    v2.6.38-rc4
    v2.6.38-rc5
    v2.6.38-rc6
    v2.6.38-rc7
    v2.6.38-rc8
    v2.6.39
    v2.6.39-rc1
    v2.6.39-rc2
    v2.6.39-rc3
    v2.6.39-rc4
    v2.6.39-rc5
    v2.6.39-rc6
    v2.6.39-rc7

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2023-1476 | CVE-DB