CVE-2023-53435

cassini: Fix a memory leak in the error handling path of cas_init_one()

MEDIUM
5.5
CVSS Score
Published: September 18, 2025 at 04:04 PM UTC
Updated: June 17, 2026 at 06:45 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: cassini: Fix a memory leak in the error handling path of cas_init_one() cas_saturn_firmware_init() allocates some memory using vmalloc(). This memory is freed in the .remove() function but not it the error handling path of the probe. Add the missing vfree() to avoid a memory leak, should an error occur.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.28 ≤ v < 4.14.3162.6.28 ≤ v < 4.19.2842.6.28 ≤ v < 5.10.1812.6.28 ≤ v < 5.15.1132.6.28 ≤ v < 5.4.2442.6.28 ≤ v < 6.1.302.6.28 ≤ v < 6.3.42.6.28 ≤ v < 6.44.15 ≤ v < 4.19.2844.20 ≤ v < 5.4.2445.11 ≤ v < 5.15.1135.16 ≤ v < 6.1.305.5 ≤ v < 5.10.1816.2 ≤ v < 6.3.42.6.286.4 rc16.4 rc2fcaa40669cd798ca2ac0d15441e8a1d1145f2b16
Vendor states this is fixed in 11c0ed097a874156957b515d0ba7e356142eab87 (fixed)
Vendor states this is fixed in 172146c26f0c1b86ab4e9ebffc7e06f04229fa17 (fixed)
Vendor states this is fixed in 234e744d86bd95b381d24546df2dba72804e0219 (fixed)
Vendor states this is fixed in 412cd77a2c24b191c65ea53025222418db09817c (fixed)
Vendor states this is fixed in 60d8e8b88087d68e10c8991a0f6733fa2f963ff0 (fixed)
Vendor states this is fixed in b8b1a667744741fa7807b09a12797a27f14f3fac (fixed)
Vendor states this is fixed in dc61f7582cc92d547d02e141cd66f5d1f4ed8012 (fixed)
Vendor states this is fixed in e20105d967ab5b53ff50a0e5991fe37324d2ba20 (fixed)
Vendor states this is fixed in 2.6.28 (unaffected)
Vendor states this is fixed in 4.14.316 (unaffected)
Vendor states this is fixed in 4.19.284 (unaffected)
Vendor states this is fixed in 5.10.181 (unaffected)
Vendor states this is fixed in 5.15.113 (unaffected)
Vendor states this is fixed in 5.4.244 (unaffected)
Vendor states this is fixed in 6.1.30 (unaffected)
Vendor states this is fixed in 6.3.4 (unaffected)
Vendor states this is fixed in 6.4 (unaffected)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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