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Description

In the Linux kernel, the following vulnerability has been resolved: pcmcia: Add error handling for add_interval() in do_validate_mem() In the do_validate_mem(), the call to add_interval() does not handle errors. If kmalloc() fails in add_interval(), it could result in a null pointer being inserted into the linked list, leading to illegal memory access when sub_interval() is called next. This patch adds an error handling for the add_interval(). If add_interval() returns an error, the function will return early with the error code.

PUBLISHED Reserved 2025-04-16 | Published 2025-10-01 | Updated 2025-10-01 | Assigner Linux

Product status

Default status
unaffected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before 5b60ed401b47897352c520bc724c85aa908dedcc
affected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before ae184024ef31423e5beb44cf4f52999bbcf2fe5b
affected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before 85be7ef8c8e792a414940a38d94565dd48d2f236
affected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before 06b26e3099207c94b3d1be8565aedc6edc4f0a60
affected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before 8699358b6ac99b8ccc97ed9e6e3669ef8958ef7b
affected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before 289b58f8ff3198d091074a751d6b8f6827726f3e
affected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before 369bf6e241506583f4ee7593c53b92e5a9f271b4
affected

7b4884ca8853a638df0eb5d251d80d67777b8b1a before 4a81f78caa53e0633cf311ca1526377d9bff7479
affected

Default status
affected

2.6.34
affected

Any version before 2.6.34
unaffected

5.4.299
unaffected

5.10.243
unaffected

5.15.192
unaffected

6.1.151
unaffected

6.6.105
unaffected

6.12.46
unaffected

6.16.6
unaffected

6.17
unaffected

References

git.kernel.org/...c/5b60ed401b47897352c520bc724c85aa908dedcc

git.kernel.org/...c/ae184024ef31423e5beb44cf4f52999bbcf2fe5b

git.kernel.org/...c/85be7ef8c8e792a414940a38d94565dd48d2f236

git.kernel.org/...c/06b26e3099207c94b3d1be8565aedc6edc4f0a60

git.kernel.org/...c/8699358b6ac99b8ccc97ed9e6e3669ef8958ef7b

git.kernel.org/...c/289b58f8ff3198d091074a751d6b8f6827726f3e

git.kernel.org/...c/369bf6e241506583f4ee7593c53b92e5a9f271b4

git.kernel.org/...c/4a81f78caa53e0633cf311ca1526377d9bff7479

cve.org (CVE-2025-39920)

nvd.nist.gov (CVE-2025-39920)

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