{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-08T23:51:52.180","vulnerabilities":[{"cve":{"id":"CVE-2026-23044","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-02-04T16:16:19.897","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM: hibernate: Fix crash when freeing invalid crypto compressor\n\nWhen crypto_alloc_acomp() fails, it returns an ERR_PTR value, not NULL.\n\nThe cleanup code in save_compressed_image() and load_compressed_image()\nunconditionally calls crypto_free_acomp() without checking for ERR_PTR,\nwhich causes crypto_acomp_tfm() to dereference an invalid pointer and\ncrash the kernel.\n\nThis can be triggered when the compression algorithm is unavailable\n(e.g., CONFIG_CRYPTO_LZO not enabled).\n\nFix by adding IS_ERR_OR_NULL() checks before calling crypto_free_acomp()\nand acomp_request_free(), similar to the existing kthread_stop() check.\n\n[ rjw: Added 2 empty code lines ]"},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nPM: hibernate: Corrige un fallo al liberar un compresor criptográfico no válido\n\nCuando crypto_alloc_acomp() falla, devuelve un valor ERR_PTR, no NULL.\n\nEl código de limpieza en save_compressed_image() y load_compressed_image() llama incondicionalmente a crypto_free_acomp() sin comprobar si hay ERR_PTR, lo que provoca que crypto_acomp_tfm() desreferencie un puntero no válido y provoque un fallo en el kernel.\n\nEsto puede activarse cuando el algoritmo de compresión no está disponible (p. ej., CONFIG_CRYPTO_LZO no habilitado).\n\nSolución añadiendo comprobaciones IS_ERR_OR_NULL() antes de llamar a crypto_free_acomp() y acomp_request_free(), similar a la comprobación kthread_stop() existente.\n\n[ rjw: Added 2 empty code lines ]"}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/7966cf0ebe32c981bfa3db252cb5fc3bb1bf2e77","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b7a883b0135dbc6817e90a829421c9fc8cd94bad","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}