Codeready Linux Builder vulnerabilitiesAnd the versions its exploited flaws hit.

Product4 known exploited4 versions
The short answer

Codeready Linux Builder is made by Red Hat. We track 37 published vulnerabilities listed under that exact name, across 4 versions. 4 of them are on the list of flaws known to be exploited, the newest added on 2 June 2026. Red Hat lists newer releases under their own names, such as Codeready Linux Builder Eus, so check those pages too.

Check your version

The most recent Codeready Linux Builder flaw added to the known-exploited list is CVE-2022-0492, on 2 June 2026. We keep watching the known-exploited list.

Versions

Which versions of Codeready Linux Builder do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

Known exploited

Which Codeready Linux Builder vulnerabilities are being exploited?

4 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 7.8
    CVE-2022-0492HighKnown exploited
    Linux Kernel Improper Authentication Vulnerability

    Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature.

    Chance of use5.5%Known exploited since2 Jun 2026
  2. 7.8
    CVE-2023-4911HighKnown exploited
    GNU C Library Buffer Overflow Vulnerability

    GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.

    Chance of use64%Known exploited since21 Nov 2023
  3. 8.8
    CVE-2019-8720HighKnown exploited
    WebKitGTK Memory Corruption Vulnerability

    WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.

    Chance of use1.6%Known exploited since23 May 2022
  4. 7.8
    CVE-2022-0847HighKnown exploited
    Linux Kernel Privilege Escalation Vulnerability

    Linux kernel contains an improper initialization vulnerability where an unprivileged local user could escalate their privileges on the system.

    Chance of use93%Known exploited since25 Apr 2022
Exploit likelihood

Which Codeready Linux Builder flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 93%
    CVE-2022-0847HighKnown exploited

    A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values.

    CVSS7.8Published10 Mar 2022
  2. 74%

    The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to...

    CVSS8.8Published21 Feb 2022
  3. 68%

    A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user sends a packet with malicious content where the number of domain member nodes is higher than the 64 allowed.

    CVSS8.8Published25 Mar 2022
  4. 64%
    CVE-2023-4911HighKnown exploited

    A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable.

    CVSS7.8Published3 Oct 2023
  5. 13%

    A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming...

    CVSS7.5Published4 Mar 2022
  6. 5.5%
    CVE-2022-0492HighKnown exploited

    A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function.

    CVSS7.8Published3 Mar 2022
  7. 4.8%

    There's a flaw in urllib's AbstractBasicAuthHandler class.

    CVSS6.5Published10 Mar 2022
  8. 3.1%

    TSX Asynchronous Abort condition on some CPUs utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.

    CVSS6.5Published14 Nov 2019
  9. 1.9%

    A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel.

    CVSS7.8Published27 Mar 2023
  10. 1.8%

    A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.

    CVSS6.5Published11 Apr 2019
Precursor Intelligence

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FAQ

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We track 37 published vulnerabilities listed under the name Codeready Linux Builder, across 4 versions. The most recent Codeready Linux Builder flaw added to the known-exploited list is CVE-2022-0492, on 2 June 2026.

4 are on the list of flaws known to be exploited. The most recently added are CVE-2022-0492, CVE-2023-4911 and CVE-2019-8720.

Red Hat also lists Codeready Linux Builder under more specific names, such as Codeready Linux Builder Eus and Codeready Linux Builder for Arm64 Eus. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Create a Precursor Intelligence account and track Codeready Linux Builder. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.