Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: bnx2x: fix double free in bnx2x_init_firmware() error path bnx2x_init_firmware() frees bp->init_ops, bp->init_data and bp->init_ops_offsets in its error path without setting them to NULL. The cleanup function bnx2x_release_firmware() frees the same three pointers unconditionally, so if init_firmware fails and release_firmware is later called (e.g. from __bnx2x_remove or through the function state machine), all three are freed a second time. Set each pointer to NULL after kfree() in the error path so that the subsequent kfree(NULL) in bnx2x_release_firmware() is a safe no-op.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before 770715784b689749014ce193ef986b706fe8f51c; affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before c44e5d6c3189241d5f791bc7b1eddde6b92f802c; affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before 07d4516e3eb1fcde4a5db29eb556cdb0ebba6265; affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before ac280f6872e75df49f3004505bcddff91d9e5362; affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before dc98e727b9cfc5e19c796bf893878153f00b222b; affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before 4d36e38e48340a1ccf92a98c7a22d07a954e5aa3; affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before a142c024f07d623e2b6b25943f6c36d4b6b0b4c6; affected 94a78b79cb5f14c09a42522738d6694c6a1cdd20 before d2796ffe38cb4155afe0eab23636295b096c27a5 |
| Linux / Linux | affected 2.6.31; unaffected 0 before 2.6.31; unaffected 5.10.270 through 5.10.*; unaffected 5.15.221 through 5.15.*; unaffected 6.1.188 through 6.1.*; unaffected 6.6.157 through 6.6.*; unaffected 6.12.109 through 6.12.*; unaffected 6.18.50 through 6.18.*; unaffected 7.2.4 through 7.2.*; unaffected 7.3 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/770715784b689749014ce193ef986b706fe8f51c
- https://git.kernel.org/stable/c/c44e5d6c3189241d5f791bc7b1eddde6b92f802c
- https://git.kernel.org/stable/c/07d4516e3eb1fcde4a5db29eb556cdb0ebba6265
- https://git.kernel.org/stable/c/ac280f6872e75df49f3004505bcddff91d9e5362
- https://git.kernel.org/stable/c/dc98e727b9cfc5e19c796bf893878153f00b222b
- https://git.kernel.org/stable/c/4d36e38e48340a1ccf92a98c7a22d07a954e5aa3
- https://git.kernel.org/stable/c/a142c024f07d623e2b6b25943f6c36d4b6b0b4c6
- https://git.kernel.org/stable/c/d2796ffe38cb4155afe0eab23636295b096c27a5