Threats Tagged 'ubuntu-cve-2025-68376'
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Threats Tagged 'ubuntu-cve-2025-68376'
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In the Linux kernel, the following vulnerability has been resolved: coresight: ETR: Fix ETR buffer use-after-free issue When ETR is enabled as CS_MODE_SYSFS, if the buffer size is changed and enabled again, currently sysfs_buf will point to the newly allocated memory(buf_new) and free the old memory(buf_old). But the etr_buf that is being used by the ETR remains pointed to buf_old, not updated to buf_new. In this case, it will result in a memory use-after-free issue. Fix this by checking ETR's mode before updating and releasing buf_old, if the mode is CS_MODE_SYSFS, then skip updating and releasing it. Join the discussion | GCVE Database | 12/24/2025, 11:16:00 UTC Added: 07/18/2026, 11:32:24 UTC |
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