NULL Pointer Dereference Affecting python3-perf package, versions *
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Test your applications- Snyk ID SNYK-CENTOS8-PYTHON3PERF-7596688
- published 5 Aug 2024
- disclosed 29 Jul 2024
Introduced: 29 Jul 2024
CVE-2024-41098 Open this link in a new tabHow to fix?
There is no fixed version for Centos:8 python3-perf.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python3-perf package and not the python3-perf package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
ata: libata-core: Fix null pointer dereference on error
If the ata_port_alloc() call in ata_host_alloc() fails, ata_host_release() will get called.
However, the code in ata_host_release() tries to free ata_port struct members unconditionally, which can lead to the following:
BUG: unable to handle page fault for address: 0000000000003990 PGD 0 P4D 0 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 10 PID: 594 Comm: (udev-worker) Not tainted 6.10.0-rc5 #44 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 RIP: 0010:ata_host_release.cold+0x2f/0x6e [libata] Code: e4 4d 63 f4 44 89 e2 48 c7 c6 90 ad 32 c0 48 c7 c7 d0 70 33 c0 49 83 c6 0e 41 RSP: 0018:ffffc90000ebb968 EFLAGS: 00010246 RAX: 0000000000000041 RBX: ffff88810fb52e78 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88813b3218c0 RDI: ffff88813b3218c0 RBP: ffff88810fb52e40 R08: 0000000000000000 R09: 6c65725f74736f68 R10: ffffc90000ebb738 R11: 73692033203a746e R12: 0000000000000004 R13: 0000000000000000 R14: 0000000000000011 R15: 0000000000000006 FS: 00007f6cc55b9980(0000) GS:ffff88813b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000003990 CR3: 00000001122a2000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: <TASK> ? __die_body.cold+0x19/0x27 ? page_fault_oops+0x15a/0x2f0 ? exc_page_fault+0x7e/0x180 ? asm_exc_page_fault+0x26/0x30 ? ata_host_release.cold+0x2f/0x6e [libata] ? ata_host_release.cold+0x2f/0x6e [libata] release_nodes+0x35/0xb0 devres_release_group+0x113/0x140 ata_host_alloc+0xed/0x120 [libata] ata_host_alloc_pinfo+0x14/0xa0 [libata] ahci_init_one+0x6c9/0xd20 [ahci]
Do not access ata_port struct members unconditionally.
References
- https://access.redhat.com/security/cve/CVE-2024-41098
- https://git.kernel.org/stable/c/119c97ace2a9ffcf4dc09a23bb057d6c281aff28
- https://git.kernel.org/stable/c/5d92c7c566dc76d96e0e19e481d926bbe6631c1e
- https://git.kernel.org/stable/c/8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8
- https://git.kernel.org/stable/c/0f0d37c154bb108730c90a91aa31e3170e827962
- https://git.kernel.org/stable/c/221e3b1297e74fdec32d0f572f4dcb2260a0a2af
- https://git.kernel.org/stable/c/56e62977eaaae3eb7122ee2cf9b720b6703114a9
- https://git.kernel.org/stable/c/d9c4df80b1b009de1eb77c07e3bb4d45bd212aa5
- https://git.kernel.org/stable/c/e83405e75d90694ee6a5d898f7f0473ac2686054