CVE-2023-53435

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

State: Published
Severity: 5.5 Medium
Published: Sep 18, 2025
Updated: May 11, 2026
Reserved: Sep 17, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

Product	Versions
LinuxLinux	fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 11c0ed097a874156957b515d0ba7e356142eab87Affected fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 60d8e8b88087d68e10c8991a0f6733fa2f963ff0Affected fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before e20105d967ab5b53ff50a0e5991fe37324d2ba20Affected fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before dc61f7582cc92d547d02e141cd66f5d1f4ed8012Affected fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 234e744d86bd95b381d24546df2dba72804e0219Affected fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 172146c26f0c1b86ab4e9ebffc7e06f04229fa17Affected fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before b8b1a667744741fa7807b09a12797a27f14f3facAffected fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 412cd77a2c24b191c65ea53025222418db09817cAffected
LinuxLinux	2.6.28Affected before 2.6.28Not affected 4.14.316 through 4.14.Not affected 4.19.284 through 4.19.Not affected 5.4.244 through 5.4.Not affected 5.10.181 through 5.10.Not affected 5.15.113 through 5.15.Not affected 6.1.30 through 6.1.Not affected 6.3.4 through 6.3.*Not affected 6.4 and laterNot affected

Product

Versions

LinuxLinux

fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 11c0ed097a874156957b515d0ba7e356142eab87Affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 60d8e8b88087d68e10c8991a0f6733fa2f963ff0Affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before e20105d967ab5b53ff50a0e5991fe37324d2ba20Affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before dc61f7582cc92d547d02e141cd66f5d1f4ed8012Affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 234e744d86bd95b381d24546df2dba72804e0219Affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 172146c26f0c1b86ab4e9ebffc7e06f04229fa17Affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before b8b1a667744741fa7807b09a12797a27f14f3facAffected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 to before 412cd77a2c24b191c65ea53025222418db09817cAffected

LinuxLinux

2.6.28Affected
before 2.6.28Not affected
4.14.316 through 4.14.*Not affected
4.19.284 through 4.19.*Not affected
5.4.244 through 5.4.*Not affected
5.10.181 through 5.10.*Not affected
5.15.113 through 5.15.*Not affected
6.1.30 through 6.1.*Not affected
6.3.4 through 6.3.*Not affected
6.4 and laterNot affected

References

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