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  1. JDK
  2. JDK-8329961

Buffer overflow in os::Linux::kernel_version

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    Backports

      Description

        Instead of checking for walker pointing at NUL byte we check for walker being nullptr, which will never be the case. In practice, this means that walker can read out of bounds until the wrong major/minor version is registered or a SIGSEGV occurs.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8330246 Buffer overflow in os::Linux::kernel_version

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8332367 Buffer overflow in os::Linux::kernel_version

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8321075 RISC-V: UseSystemMemoryBarrier lacking proper OS support

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            links to

            Commit Commit openjdk/jdk21u-dev/f5c0d782

            Commit Commit openjdk/jdk22u/f5ce46f2

            Commit Commit openjdk/jdk/279ed0dd

            Review Review openjdk/jdk21u-dev/498

            Review Review openjdk/jdk22u/141

            Review Review openjdk/jdk/18697

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                jsjolen Johan Sjölen
                jsjolen Johan Sjölen
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