Linux glibc security fix created a nastier Linux bug

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Steven J. Vaughan-Nichols

By

Steven J. Vaughan-Nichols

for Linux and Open Source

| August 16, 2021 — 20:27 GMT (21:27 BST)

| Topic: Security

The GNU C Library (glibc) is essential to Linux. So, when something goes wrong with it, it’s a big deal. When a fix was made in early June for a relatively minor problem, CVE-2021-33574, which could result in application crashes, this was a good thing. Unfortunately, it turned out the fix introduced a new and nastier problem, CVE-2021-38604. It’s always something!

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Steven J. Vaughan-Nichols

By

Steven J. Vaughan-Nichols

for Linux and Open Source

| August 16, 2021 — 20:27 GMT (21:27 BST)

| Topic: Security